Home / 8,461.55-12,690.26-3,531.23

Finding the Fourth Proportional to 8,461.55, 12,690.26 and 3,531.23

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Solution

The fourth proportional to 8,461.55, 12,690.26 and 3,531.23 is: 5,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.55 : 12,690.26 = 3,531.23 : x
  2. Step 2: Convert to fraction form
    8,461.55/12,690.26 = 3,531.23/x
  3. Step 3: Cross multiply
    8,461.55x = 12,690.26 × 3,531.23
  4. Step 4: Simplify right side
    8,461.55x = 44,812,145.71
  5. Step 5: Solve for x
    x = 44,812,145.71/8,461.55
  6. Step 6: Final answer
    x = 5,295.98

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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.