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Finding the Fourth Proportional to 8,499.53, 12,730.06 and 4,543.80

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Solution

The fourth proportional to 8,499.53, 12,730.06 and 4,543.80 is: 6,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.53 : 12,730.06 = 4,543.80 : x
  2. Step 2: Convert to fraction form
    8,499.53/12,730.06 = 4,543.80/x
  3. Step 3: Cross multiply
    8,499.53x = 12,730.06 × 4,543.80
  4. Step 4: Simplify right side
    8,499.53x = 57,842,804.57
  5. Step 5: Solve for x
    x = 57,842,804.57/8,499.53
  6. Step 6: Final answer
    x = 6,805.41

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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.