Home / 7,924.32-11,888.10-2,729.52

Finding the Fourth Proportional to 7,924.32, 11,888.10 and 2,729.52

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Solution

The fourth proportional to 7,924.32, 11,888.10 and 2,729.52 is: 4,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.32 : 11,888.10 = 2,729.52 : x
  2. Step 2: Convert to fraction form
    7,924.32/11,888.10 = 2,729.52/x
  3. Step 3: Cross multiply
    7,924.32x = 11,888.10 × 2,729.52
  4. Step 4: Simplify right side
    7,924.32x = 32,448,806.71
  5. Step 5: Solve for x
    x = 32,448,806.71/7,924.32
  6. Step 6: Final answer
    x = 4,094.84

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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.