Home / 5,071.06-6,990.38-3,950.02

Finding the Fourth Proportional to 5,071.06, 6,990.38 and 3,950.02

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Solution

The fourth proportional to 5,071.06, 6,990.38 and 3,950.02 is: 5,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.06 : 6,990.38 = 3,950.02 : x
  2. Step 2: Convert to fraction form
    5,071.06/6,990.38 = 3,950.02/x
  3. Step 3: Cross multiply
    5,071.06x = 6,990.38 × 3,950.02
  4. Step 4: Simplify right side
    5,071.06x = 27,612,140.81
  5. Step 5: Solve for x
    x = 27,612,140.81/5,071.06
  6. Step 6: Final answer
    x = 5,445.04

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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.