Home / 6,165.27-8,500.65-4,278.47

Finding the Fourth Proportional to 6,165.27, 8,500.65 and 4,278.47

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Solution

The fourth proportional to 6,165.27, 8,500.65 and 4,278.47 is: 5,899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.27 : 8,500.65 = 4,278.47 : x
  2. Step 2: Convert to fraction form
    6,165.27/8,500.65 = 4,278.47/x
  3. Step 3: Cross multiply
    6,165.27x = 8,500.65 × 4,278.47
  4. Step 4: Simplify right side
    6,165.27x = 36,369,733.50
  5. Step 5: Solve for x
    x = 36,369,733.50/6,165.27
  6. Step 6: Final answer
    x = 5,899.13

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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.