Home / 8,254.18-12,378.03-4,304.26

Finding the Fourth Proportional to 8,254.18, 12,378.03 and 4,304.26

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Solution

The fourth proportional to 8,254.18, 12,378.03 and 4,304.26 is: 6,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.18 : 12,378.03 = 4,304.26 : x
  2. Step 2: Convert to fraction form
    8,254.18/12,378.03 = 4,304.26/x
  3. Step 3: Cross multiply
    8,254.18x = 12,378.03 × 4,304.26
  4. Step 4: Simplify right side
    8,254.18x = 53,278,259.41
  5. Step 5: Solve for x
    x = 53,278,259.41/8,254.18
  6. Step 6: Final answer
    x = 6,454.70

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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.