Home / 10,510.12-15,765.51-3,935.05

Finding the Fourth Proportional to 10,510.12, 15,765.51 and 3,935.05

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Solution

The fourth proportional to 10,510.12, 15,765.51 and 3,935.05 is: 5,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.12 : 15,765.51 = 3,935.05 : x
  2. Step 2: Convert to fraction form
    10,510.12/15,765.51 = 3,935.05/x
  3. Step 3: Cross multiply
    10,510.12x = 15,765.51 × 3,935.05
  4. Step 4: Simplify right side
    10,510.12x = 62,038,070.13
  5. Step 5: Solve for x
    x = 62,038,070.13/10,510.12
  6. Step 6: Final answer
    x = 5,902.70

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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.