Home / 5,042.13-7,529.21-4,119.51

Finding the Fourth Proportional to 5,042.13, 7,529.21 and 4,119.51

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Solution

The fourth proportional to 5,042.13, 7,529.21 and 4,119.51 is: 6,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.13 : 7,529.21 = 4,119.51 : x
  2. Step 2: Convert to fraction form
    5,042.13/7,529.21 = 4,119.51/x
  3. Step 3: Cross multiply
    5,042.13x = 7,529.21 × 4,119.51
  4. Step 4: Simplify right side
    5,042.13x = 31,016,655.89
  5. Step 5: Solve for x
    x = 31,016,655.89/5,042.13
  6. Step 6: Final answer
    x = 6,151.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.