Home / 8,377.87-11,561.47-4,601.28

Finding the Fourth Proportional to 8,377.87, 11,561.47 and 4,601.28

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Solution

The fourth proportional to 8,377.87, 11,561.47 and 4,601.28 is: 6,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.87 : 11,561.47 = 4,601.28 : x
  2. Step 2: Convert to fraction form
    8,377.87/11,561.47 = 4,601.28/x
  3. Step 3: Cross multiply
    8,377.87x = 11,561.47 × 4,601.28
  4. Step 4: Simplify right side
    8,377.87x = 53,197,505.82
  5. Step 5: Solve for x
    x = 53,197,505.82/8,377.87
  6. Step 6: Final answer
    x = 6,349.77

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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.