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Finding the Fourth Proportional to 6,371.70, 9,557.55 and 4,913.70

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Solution

The fourth proportional to 6,371.70, 9,557.55 and 4,913.70 is: 7,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.70 : 9,557.55 = 4,913.70 : x
  2. Step 2: Convert to fraction form
    6,371.70/9,557.55 = 4,913.70/x
  3. Step 3: Cross multiply
    6,371.70x = 9,557.55 × 4,913.70
  4. Step 4: Simplify right side
    6,371.70x = 46,962,933.44
  5. Step 5: Solve for x
    x = 46,962,933.44/6,371.70
  6. Step 6: Final answer
    x = 7,370.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.