Home / 4,764.39-6,572.78-2,874.90

Finding the Fourth Proportional to 4,764.39, 6,572.78 and 2,874.90

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Solution

The fourth proportional to 4,764.39, 6,572.78 and 2,874.90 is: 3,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.39 : 6,572.78 = 2,874.90 : x
  2. Step 2: Convert to fraction form
    4,764.39/6,572.78 = 2,874.90/x
  3. Step 3: Cross multiply
    4,764.39x = 6,572.78 × 2,874.90
  4. Step 4: Simplify right side
    4,764.39x = 18,896,070.85
  5. Step 5: Solve for x
    x = 18,896,070.85/4,764.39
  6. Step 6: Final answer
    x = 3,966.10

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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.