Home / 7,998.40-11,037.60-4,461.52

Finding the Fourth Proportional to 7,998.40, 11,037.60 and 4,461.52

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Solution

The fourth proportional to 7,998.40, 11,037.60 and 4,461.52 is: 6,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.40 : 11,037.60 = 4,461.52 : x
  2. Step 2: Convert to fraction form
    7,998.40/11,037.60 = 4,461.52/x
  3. Step 3: Cross multiply
    7,998.40x = 11,037.60 × 4,461.52
  4. Step 4: Simplify right side
    7,998.40x = 49,244,473.15
  5. Step 5: Solve for x
    x = 49,244,473.15/7,998.40
  6. Step 6: Final answer
    x = 6,156.79

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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.