Home / 7,287.32-10,931.32-2,357.34

Finding the Fourth Proportional to 7,287.32, 10,931.32 and 2,357.34

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Solution

The fourth proportional to 7,287.32, 10,931.32 and 2,357.34 is: 3,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.32 : 10,931.32 = 2,357.34 : x
  2. Step 2: Convert to fraction form
    7,287.32/10,931.32 = 2,357.34/x
  3. Step 3: Cross multiply
    7,287.32x = 10,931.32 × 2,357.34
  4. Step 4: Simplify right side
    7,287.32x = 25,768,876.70
  5. Step 5: Solve for x
    x = 25,768,876.70/7,287.32
  6. Step 6: Final answer
    x = 3,536.13

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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.