Home / 7,507.10-11,260.65-3,124.10

Finding the Fourth Proportional to 7,507.10, 11,260.65 and 3,124.10

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Solution

The fourth proportional to 7,507.10, 11,260.65 and 3,124.10 is: 4,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.10 : 11,260.65 = 3,124.10 : x
  2. Step 2: Convert to fraction form
    7,507.10/11,260.65 = 3,124.10/x
  3. Step 3: Cross multiply
    7,507.10x = 11,260.65 × 3,124.10
  4. Step 4: Simplify right side
    7,507.10x = 35,179,396.67
  5. Step 5: Solve for x
    x = 35,179,396.67/7,507.10
  6. Step 6: Final answer
    x = 4,686.15

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Double scale
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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.