Home / 7,932.40-11,898.60-7,298.80

Finding the Fourth Proportional to 7,932.40, 11,898.60 and 7,298.80

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Solution

The fourth proportional to 7,932.40, 11,898.60 and 7,298.80 is: 10,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.40 : 11,898.60 = 7,298.80 : x
  2. Step 2: Convert to fraction form
    7,932.40/11,898.60 = 7,298.80/x
  3. Step 3: Cross multiply
    7,932.40x = 11,898.60 × 7,298.80
  4. Step 4: Simplify right side
    7,932.40x = 86,845,501.68
  5. Step 5: Solve for x
    x = 86,845,501.68/7,932.40
  6. Step 6: Final answer
    x = 10,948.20

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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.