Home / 10,397.08-15,595.64-2,605.91

Finding the Fourth Proportional to 10,397.08, 15,595.64 and 2,605.91

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Solution

The fourth proportional to 10,397.08, 15,595.64 and 2,605.91 is: 3,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.08 : 15,595.64 = 2,605.91 : x
  2. Step 2: Convert to fraction form
    10,397.08/15,595.64 = 2,605.91/x
  3. Step 3: Cross multiply
    10,397.08x = 15,595.64 × 2,605.91
  4. Step 4: Simplify right side
    10,397.08x = 40,640,879.74
  5. Step 5: Solve for x
    x = 40,640,879.74/10,397.08
  6. Step 6: Final answer
    x = 3,908.88

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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.