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Finding the Fourth Proportional to 8,483.40, 12,733.20 and 7,252.20

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Solution

The fourth proportional to 8,483.40, 12,733.20 and 7,252.20 is: 10,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.40 : 12,733.20 = 7,252.20 : x
  2. Step 2: Convert to fraction form
    8,483.40/12,733.20 = 7,252.20/x
  3. Step 3: Cross multiply
    8,483.40x = 12,733.20 × 7,252.20
  4. Step 4: Simplify right side
    8,483.40x = 92,343,713.04
  5. Step 5: Solve for x
    x = 92,343,713.04/8,483.40
  6. Step 6: Final answer
    x = 10,885.22

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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.