Home / 8,330.83-12,502.43-3,948.30

Finding the Fourth Proportional to 8,330.83, 12,502.43 and 3,948.30

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Solution

The fourth proportional to 8,330.83, 12,502.43 and 3,948.30 is: 5,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.83 : 12,502.43 = 3,948.30 : x
  2. Step 2: Convert to fraction form
    8,330.83/12,502.43 = 3,948.30/x
  3. Step 3: Cross multiply
    8,330.83x = 12,502.43 × 3,948.30
  4. Step 4: Simplify right side
    8,330.83x = 49,363,344.37
  5. Step 5: Solve for x
    x = 49,363,344.37/8,330.83
  6. Step 6: Final answer
    x = 5,925.38

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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.