Home / 7,501.80-11,251.71-1,955.55

Finding the Fourth Proportional to 7,501.80, 11,251.71 and 1,955.55

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Solution

The fourth proportional to 7,501.80, 11,251.71 and 1,955.55 is: 2,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.80 : 11,251.71 = 1,955.55 : x
  2. Step 2: Convert to fraction form
    7,501.80/11,251.71 = 1,955.55/x
  3. Step 3: Cross multiply
    7,501.80x = 11,251.71 × 1,955.55
  4. Step 4: Simplify right side
    7,501.80x = 22,003,281.49
  5. Step 5: Solve for x
    x = 22,003,281.49/7,501.80
  6. Step 6: Final answer
    x = 2,933.07

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Double scale
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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.