Home / 6,613.41-9,138.57-4,817.76

Finding the Fourth Proportional to 6,613.41, 9,138.57 and 4,817.76

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Solution

The fourth proportional to 6,613.41, 9,138.57 and 4,817.76 is: 6,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.41 : 9,138.57 = 4,817.76 : x
  2. Step 2: Convert to fraction form
    6,613.41/9,138.57 = 4,817.76/x
  3. Step 3: Cross multiply
    6,613.41x = 9,138.57 × 4,817.76
  4. Step 4: Simplify right side
    6,613.41x = 44,027,437.00
  5. Step 5: Solve for x
    x = 44,027,437.00/6,613.41
  6. Step 6: Final answer
    x = 6,657.30

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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.