Home / 7,834.25-10,805.15-4,851.74

Finding the Fourth Proportional to 7,834.25, 10,805.15 and 4,851.74

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Solution

The fourth proportional to 7,834.25, 10,805.15 and 4,851.74 is: 6,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.25 : 10,805.15 = 4,851.74 : x
  2. Step 2: Convert to fraction form
    7,834.25/10,805.15 = 4,851.74/x
  3. Step 3: Cross multiply
    7,834.25x = 10,805.15 × 4,851.74
  4. Step 4: Simplify right side
    7,834.25x = 52,423,700.18
  5. Step 5: Solve for x
    x = 52,423,700.18/7,834.25
  6. Step 6: Final answer
    x = 6,691.61

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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.