Home / 8,346.24-12,502.35-5,415.66

Finding the Fourth Proportional to 8,346.24, 12,502.35 and 5,415.66

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Solution

The fourth proportional to 8,346.24, 12,502.35 and 5,415.66 is: 8,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.24 : 12,502.35 = 5,415.66 : x
  2. Step 2: Convert to fraction form
    8,346.24/12,502.35 = 5,415.66/x
  3. Step 3: Cross multiply
    8,346.24x = 12,502.35 × 5,415.66
  4. Step 4: Simplify right side
    8,346.24x = 67,708,476.80
  5. Step 5: Solve for x
    x = 67,708,476.80/8,346.24
  6. Step 6: Final answer
    x = 8,112.45

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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.