Home / 4,799.20-6,615.12-4,151.20

Finding the Fourth Proportional to 4,799.20, 6,615.12 and 4,151.20

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Solution

The fourth proportional to 4,799.20, 6,615.12 and 4,151.20 is: 5,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.20 : 6,615.12 = 4,151.20 : x
  2. Step 2: Convert to fraction form
    4,799.20/6,615.12 = 4,151.20/x
  3. Step 3: Cross multiply
    4,799.20x = 6,615.12 × 4,151.20
  4. Step 4: Simplify right side
    4,799.20x = 27,460,686.14
  5. Step 5: Solve for x
    x = 27,460,686.14/4,799.20
  6. Step 6: Final answer
    x = 5,721.93

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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.