Home / 8,507.60-12,752.40-3,240.24

Finding the Fourth Proportional to 8,507.60, 12,752.40 and 3,240.24

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Solution

The fourth proportional to 8,507.60, 12,752.40 and 3,240.24 is: 4,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.60 : 12,752.40 = 3,240.24 : x
  2. Step 2: Convert to fraction form
    8,507.60/12,752.40 = 3,240.24/x
  3. Step 3: Cross multiply
    8,507.60x = 12,752.40 × 3,240.24
  4. Step 4: Simplify right side
    8,507.60x = 41,320,836.58
  5. Step 5: Solve for x
    x = 41,320,836.58/8,507.60
  6. Step 6: Final answer
    x = 4,856.93

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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.