Home / 8,739.46-12,060.48-5,202.64

Finding the Fourth Proportional to 8,739.46, 12,060.48 and 5,202.64

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Solution

The fourth proportional to 8,739.46, 12,060.48 and 5,202.64 is: 7,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.46 : 12,060.48 = 5,202.64 : x
  2. Step 2: Convert to fraction form
    8,739.46/12,060.48 = 5,202.64/x
  3. Step 3: Cross multiply
    8,739.46x = 12,060.48 × 5,202.64
  4. Step 4: Simplify right side
    8,739.46x = 62,746,335.67
  5. Step 5: Solve for x
    x = 62,746,335.67/8,739.46
  6. Step 6: Final answer
    x = 7,179.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.