Home / 7,287.21-10,932.30-2,904.30

Finding the Fourth Proportional to 7,287.21, 10,932.30 and 2,904.30

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Solution

The fourth proportional to 7,287.21, 10,932.30 and 2,904.30 is: 4,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.21 : 10,932.30 = 2,904.30 : x
  2. Step 2: Convert to fraction form
    7,287.21/10,932.30 = 2,904.30/x
  3. Step 3: Cross multiply
    7,287.21x = 10,932.30 × 2,904.30
  4. Step 4: Simplify right side
    7,287.21x = 31,750,678.89
  5. Step 5: Solve for x
    x = 31,750,678.89/7,287.21
  6. Step 6: Final answer
    x = 4,357.04

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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.