Home / 8,378.10-12,567.42-2,534.70

Finding the Fourth Proportional to 8,378.10, 12,567.42 and 2,534.70

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Solution

The fourth proportional to 8,378.10, 12,567.42 and 2,534.70 is: 3,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.10 : 12,567.42 = 2,534.70 : x
  2. Step 2: Convert to fraction form
    8,378.10/12,567.42 = 2,534.70/x
  3. Step 3: Cross multiply
    8,378.10x = 12,567.42 × 2,534.70
  4. Step 4: Simplify right side
    8,378.10x = 31,854,639.47
  5. Step 5: Solve for x
    x = 31,854,639.47/8,378.10
  6. Step 6: Final answer
    x = 3,802.13

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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.