Home / 8,454.15-12,686.27-4,508.34

Finding the Fourth Proportional to 8,454.15, 12,686.27 and 4,508.34

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Solution

The fourth proportional to 8,454.15, 12,686.27 and 4,508.34 is: 6,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.15 : 12,686.27 = 4,508.34 : x
  2. Step 2: Convert to fraction form
    8,454.15/12,686.27 = 4,508.34/x
  3. Step 3: Cross multiply
    8,454.15x = 12,686.27 × 4,508.34
  4. Step 4: Simplify right side
    8,454.15x = 57,193,973.74
  5. Step 5: Solve for x
    x = 57,193,973.74/8,454.15
  6. Step 6: Final answer
    x = 6,765.20

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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.