Home / 8,347.61-12,524.66-3,419.57

Finding the Fourth Proportional to 8,347.61, 12,524.66 and 3,419.57

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Solution

The fourth proportional to 8,347.61, 12,524.66 and 3,419.57 is: 5,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.61 : 12,524.66 = 3,419.57 : x
  2. Step 2: Convert to fraction form
    8,347.61/12,524.66 = 3,419.57/x
  3. Step 3: Cross multiply
    8,347.61x = 12,524.66 × 3,419.57
  4. Step 4: Simplify right side
    8,347.61x = 42,828,934.50
  5. Step 5: Solve for x
    x = 42,828,934.50/8,347.61
  6. Step 6: Final answer
    x = 5,130.68

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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.