Home / 8,356.49-12,534.61-3,360.15

Finding the Fourth Proportional to 8,356.49, 12,534.61 and 3,360.15

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Solution

The fourth proportional to 8,356.49, 12,534.61 and 3,360.15 is: 5,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.49 : 12,534.61 = 3,360.15 : x
  2. Step 2: Convert to fraction form
    8,356.49/12,534.61 = 3,360.15/x
  3. Step 3: Cross multiply
    8,356.49x = 12,534.61 × 3,360.15
  4. Step 4: Simplify right side
    8,356.49x = 42,118,169.79
  5. Step 5: Solve for x
    x = 42,118,169.79/8,356.49
  6. Step 6: Final answer
    x = 5,040.17

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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.