Home / 5,187.14-7,158.08-2,948.98

Finding the Fourth Proportional to 5,187.14, 7,158.08 and 2,948.98

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Solution

The fourth proportional to 5,187.14, 7,158.08 and 2,948.98 is: 4,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.14 : 7,158.08 = 2,948.98 : x
  2. Step 2: Convert to fraction form
    5,187.14/7,158.08 = 2,948.98/x
  3. Step 3: Cross multiply
    5,187.14x = 7,158.08 × 2,948.98
  4. Step 4: Simplify right side
    5,187.14x = 21,109,034.76
  5. Step 5: Solve for x
    x = 21,109,034.76/5,187.14
  6. Step 6: Final answer
    x = 4,069.49

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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.