Home / 7,637.50-11,456.25-2,443.78

Finding the Fourth Proportional to 7,637.50, 11,456.25 and 2,443.78

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Solution

The fourth proportional to 7,637.50, 11,456.25 and 2,443.78 is: 3,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.50 : 11,456.25 = 2,443.78 : x
  2. Step 2: Convert to fraction form
    7,637.50/11,456.25 = 2,443.78/x
  3. Step 3: Cross multiply
    7,637.50x = 11,456.25 × 2,443.78
  4. Step 4: Simplify right side
    7,637.50x = 27,996,554.63
  5. Step 5: Solve for x
    x = 27,996,554.63/7,637.50
  6. Step 6: Final answer
    x = 3,665.67

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Half scale
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Double scale
Find fourth proportional to 7,638.50, 11,457.75 and 2,444.78
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.