Home / 5,070.06-6,989-3,949.02

Finding the Fourth Proportional to 5,070.06, 6,989 and 3,949.02

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Solution

The fourth proportional to 5,070.06, 6,989 and 3,949.02 is: 5,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.06 : 6,989 = 3,949.02 : x
  2. Step 2: Convert to fraction form
    5,070.06/6,989 = 3,949.02/x
  3. Step 3: Cross multiply
    5,070.06x = 6,989 × 3,949.02
  4. Step 4: Simplify right side
    5,070.06x = 27,599,700.78
  5. Step 5: Solve for x
    x = 27,599,700.78/5,070.06
  6. Step 6: Final answer
    x = 5,443.66

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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.