Home / 5,187.33-7,158.23-2,948.90

Finding the Fourth Proportional to 5,187.33, 7,158.23 and 2,948.90

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Solution

The fourth proportional to 5,187.33, 7,158.23 and 2,948.90 is: 4,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.33 : 7,158.23 = 2,948.90 : x
  2. Step 2: Convert to fraction form
    5,187.33/7,158.23 = 2,948.90/x
  3. Step 3: Cross multiply
    5,187.33x = 7,158.23 × 2,948.90
  4. Step 4: Simplify right side
    5,187.33x = 21,108,853.91
  5. Step 5: Solve for x
    x = 21,108,853.91/5,187.33
  6. Step 6: Final answer
    x = 4,069.31

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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.