Home / 8,099.17-12,129.31-4,629.13

Finding the Fourth Proportional to 8,099.17, 12,129.31 and 4,629.13

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Solution

The fourth proportional to 8,099.17, 12,129.31 and 4,629.13 is: 6,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.17 : 12,129.31 = 4,629.13 : x
  2. Step 2: Convert to fraction form
    8,099.17/12,129.31 = 4,629.13/x
  3. Step 3: Cross multiply
    8,099.17x = 12,129.31 × 4,629.13
  4. Step 4: Simplify right side
    8,099.17x = 56,148,152.80
  5. Step 5: Solve for x
    x = 56,148,152.80/8,099.17
  6. Step 6: Final answer
    x = 6,932.58

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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.