Home / 10,390.29-15,585.33-2,599.10

Finding the Fourth Proportional to 10,390.29, 15,585.33 and 2,599.10

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Solution

The fourth proportional to 10,390.29, 15,585.33 and 2,599.10 is: 3,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.29 : 15,585.33 = 2,599.10 : x
  2. Step 2: Convert to fraction form
    10,390.29/15,585.33 = 2,599.10/x
  3. Step 3: Cross multiply
    10,390.29x = 15,585.33 × 2,599.10
  4. Step 4: Simplify right side
    10,390.29x = 40,507,831.20
  5. Step 5: Solve for x
    x = 40,507,831.20/10,390.29
  6. Step 6: Final answer
    x = 3,898.62

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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.