Home / 7,669.92-11,503.65-2,475.81

Finding the Fourth Proportional to 7,669.92, 11,503.65 and 2,475.81

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Solution

The fourth proportional to 7,669.92, 11,503.65 and 2,475.81 is: 3,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.92 : 11,503.65 = 2,475.81 : x
  2. Step 2: Convert to fraction form
    7,669.92/11,503.65 = 2,475.81/x
  3. Step 3: Cross multiply
    7,669.92x = 11,503.65 × 2,475.81
  4. Step 4: Simplify right side
    7,669.92x = 28,480,851.71
  5. Step 5: Solve for x
    x = 28,480,851.71/7,669.92
  6. Step 6: Final answer
    x = 3,713.32

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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.