Home / 8,374.28-12,555.95-4,208.04

Finding the Fourth Proportional to 8,374.28, 12,555.95 and 4,208.04

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Solution

The fourth proportional to 8,374.28, 12,555.95 and 4,208.04 is: 6,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.28 : 12,555.95 = 4,208.04 : x
  2. Step 2: Convert to fraction form
    8,374.28/12,555.95 = 4,208.04/x
  3. Step 3: Cross multiply
    8,374.28x = 12,555.95 × 4,208.04
  4. Step 4: Simplify right side
    8,374.28x = 52,835,918.80
  5. Step 5: Solve for x
    x = 52,835,918.80/8,374.28
  6. Step 6: Final answer
    x = 6,309.31

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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.