Home / 7,247.40-10,001.88-4,262.40

Finding the Fourth Proportional to 7,247.40, 10,001.88 and 4,262.40

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Solution

The fourth proportional to 7,247.40, 10,001.88 and 4,262.40 is: 5,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.40 : 10,001.88 = 4,262.40 : x
  2. Step 2: Convert to fraction form
    7,247.40/10,001.88 = 4,262.40/x
  3. Step 3: Cross multiply
    7,247.40x = 10,001.88 × 4,262.40
  4. Step 4: Simplify right side
    7,247.40x = 42,632,013.31
  5. Step 5: Solve for x
    x = 42,632,013.31/7,247.40
  6. Step 6: Final answer
    x = 5,882.39

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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.