Home / 5,189-7,152.28-3,677.06

Finding the Fourth Proportional to 5,189, 7,152.28 and 3,677.06

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Solution

The fourth proportional to 5,189, 7,152.28 and 3,677.06 is: 5,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189 : 7,152.28 = 3,677.06 : x
  2. Step 2: Convert to fraction form
    5,189/7,152.28 = 3,677.06/x
  3. Step 3: Cross multiply
    5,189x = 7,152.28 × 3,677.06
  4. Step 4: Simplify right side
    5,189x = 26,299,362.70
  5. Step 5: Solve for x
    x = 26,299,362.70/5,189
  6. Step 6: Final answer
    x = 5,068.29

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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.