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Finding the Fourth Proportional to 8,600.58, 12,900.33 and 3,053.19

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Solution

The fourth proportional to 8,600.58, 12,900.33 and 3,053.19 is: 4,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.58 : 12,900.33 = 3,053.19 : x
  2. Step 2: Convert to fraction form
    8,600.58/12,900.33 = 3,053.19/x
  3. Step 3: Cross multiply
    8,600.58x = 12,900.33 × 3,053.19
  4. Step 4: Simplify right side
    8,600.58x = 39,387,158.55
  5. Step 5: Solve for x
    x = 39,387,158.55/8,600.58
  6. Step 6: Final answer
    x = 4,579.59

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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.