Home / 5,139.24-7,092.14-2,901.58

Finding the Fourth Proportional to 5,139.24, 7,092.14 and 2,901.58

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Solution

The fourth proportional to 5,139.24, 7,092.14 and 2,901.58 is: 4,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.24 : 7,092.14 = 2,901.58 : x
  2. Step 2: Convert to fraction form
    5,139.24/7,092.14 = 2,901.58/x
  3. Step 3: Cross multiply
    5,139.24x = 7,092.14 × 2,901.58
  4. Step 4: Simplify right side
    5,139.24x = 20,578,411.58
  5. Step 5: Solve for x
    x = 20,578,411.58/5,139.24
  6. Step 6: Final answer
    x = 4,004.17

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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.