Home / 5,139.25-7,092.12-2,901.08

Finding the Fourth Proportional to 5,139.25, 7,092.12 and 2,901.08

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Solution

The fourth proportional to 5,139.25, 7,092.12 and 2,901.08 is: 4,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.25 : 7,092.12 = 2,901.08 : x
  2. Step 2: Convert to fraction form
    5,139.25/7,092.12 = 2,901.08/x
  3. Step 3: Cross multiply
    5,139.25x = 7,092.12 × 2,901.08
  4. Step 4: Simplify right side
    5,139.25x = 20,574,784.76
  5. Step 5: Solve for x
    x = 20,574,784.76/5,139.25
  6. Step 6: Final answer
    x = 4,003.46

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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.