Home / 7,501.35-11,257.00-3,118.80

Finding the Fourth Proportional to 7,501.35, 11,257.00 and 3,118.80

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Solution

The fourth proportional to 7,501.35, 11,257.00 and 3,118.80 is: 4,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.35 : 11,257.00 = 3,118.80 : x
  2. Step 2: Convert to fraction form
    7,501.35/11,257.00 = 3,118.80/x
  3. Step 3: Cross multiply
    7,501.35x = 11,257.00 × 3,118.80
  4. Step 4: Simplify right side
    7,501.35x = 35,108,316.01
  5. Step 5: Solve for x
    x = 35,108,316.01/7,501.35
  6. Step 6: Final answer
    x = 4,680.27

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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.