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Finding the Fourth Proportional to 5,681.74, 8,510.10 and 3,483.76

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Solution

The fourth proportional to 5,681.74, 8,510.10 and 3,483.76 is: 5,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.74 : 8,510.10 = 3,483.76 : x
  2. Step 2: Convert to fraction form
    5,681.74/8,510.10 = 3,483.76/x
  3. Step 3: Cross multiply
    5,681.74x = 8,510.10 × 3,483.76
  4. Step 4: Simplify right side
    5,681.74x = 29,647,145.98
  5. Step 5: Solve for x
    x = 29,647,145.98/5,681.74
  6. Step 6: Final answer
    x = 5,217.97

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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.