Home / 5,346.10-7,377.42-2,988.28

Finding the Fourth Proportional to 5,346.10, 7,377.42 and 2,988.28

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Solution

The fourth proportional to 5,346.10, 7,377.42 and 2,988.28 is: 4,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.10 : 7,377.42 = 2,988.28 : x
  2. Step 2: Convert to fraction form
    5,346.10/7,377.42 = 2,988.28/x
  3. Step 3: Cross multiply
    5,346.10x = 7,377.42 × 2,988.28
  4. Step 4: Simplify right side
    5,346.10x = 22,045,796.64
  5. Step 5: Solve for x
    x = 22,045,796.64/5,346.10
  6. Step 6: Final answer
    x = 4,123.72

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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.