Home / 5,107.01-7,047.12-2,869.13

Finding the Fourth Proportional to 5,107.01, 7,047.12 and 2,869.13

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Solution

The fourth proportional to 5,107.01, 7,047.12 and 2,869.13 is: 3,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.01 : 7,047.12 = 2,869.13 : x
  2. Step 2: Convert to fraction form
    5,107.01/7,047.12 = 2,869.13/x
  3. Step 3: Cross multiply
    5,107.01x = 7,047.12 × 2,869.13
  4. Step 4: Simplify right side
    5,107.01x = 20,219,083.84
  5. Step 5: Solve for x
    x = 20,219,083.84/5,107.01
  6. Step 6: Final answer
    x = 3,959.09

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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.