Home / 8,151.04-11,248.32-4,963.60

Finding the Fourth Proportional to 8,151.04, 11,248.32 and 4,963.60

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Solution

The fourth proportional to 8,151.04, 11,248.32 and 4,963.60 is: 6,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.04 : 11,248.32 = 4,963.60 : x
  2. Step 2: Convert to fraction form
    8,151.04/11,248.32 = 4,963.60/x
  3. Step 3: Cross multiply
    8,151.04x = 11,248.32 × 4,963.60
  4. Step 4: Simplify right side
    8,151.04x = 55,832,161.15
  5. Step 5: Solve for x
    x = 55,832,161.15/8,151.04
  6. Step 6: Final answer
    x = 6,849.70

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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.