Home / 7,854.17-10,839.62-4,495.91

Finding the Fourth Proportional to 7,854.17, 10,839.62 and 4,495.91

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Solution

The fourth proportional to 7,854.17, 10,839.62 and 4,495.91 is: 6,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.17 : 10,839.62 = 4,495.91 : x
  2. Step 2: Convert to fraction form
    7,854.17/10,839.62 = 4,495.91/x
  3. Step 3: Cross multiply
    7,854.17x = 10,839.62 × 4,495.91
  4. Step 4: Simplify right side
    7,854.17x = 48,733,913.00
  5. Step 5: Solve for x
    x = 48,733,913.00/7,854.17
  6. Step 6: Final answer
    x = 6,204.85

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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.