Home / 7,101.36-9,799.28-5,423.84

Finding the Fourth Proportional to 7,101.36, 9,799.28 and 5,423.84

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Solution

The fourth proportional to 7,101.36, 9,799.28 and 5,423.84 is: 7,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.36 : 9,799.28 = 5,423.84 : x
  2. Step 2: Convert to fraction form
    7,101.36/9,799.28 = 5,423.84/x
  3. Step 3: Cross multiply
    7,101.36x = 9,799.28 × 5,423.84
  4. Step 4: Simplify right side
    7,101.36x = 53,149,726.84
  5. Step 5: Solve for x
    x = 53,149,726.84/7,101.36
  6. Step 6: Final answer
    x = 7,484.44

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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.