Home / 5,636.08-7,777.56-3,151.92

Finding the Fourth Proportional to 5,636.08, 7,777.56 and 3,151.92

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Solution

The fourth proportional to 5,636.08, 7,777.56 and 3,151.92 is: 4,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.08 : 7,777.56 = 3,151.92 : x
  2. Step 2: Convert to fraction form
    5,636.08/7,777.56 = 3,151.92/x
  3. Step 3: Cross multiply
    5,636.08x = 7,777.56 × 3,151.92
  4. Step 4: Simplify right side
    5,636.08x = 24,514,246.92
  5. Step 5: Solve for x
    x = 24,514,246.92/5,636.08
  6. Step 6: Final answer
    x = 4,349.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.