Home / 5,617.31-7,751.36-3,098.81

Finding the Fourth Proportional to 5,617.31, 7,751.36 and 3,098.81

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Solution

The fourth proportional to 5,617.31, 7,751.36 and 3,098.81 is: 4,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.31 : 7,751.36 = 3,098.81 : x
  2. Step 2: Convert to fraction form
    5,617.31/7,751.36 = 3,098.81/x
  3. Step 3: Cross multiply
    5,617.31x = 7,751.36 × 3,098.81
  4. Step 4: Simplify right side
    5,617.31x = 24,020,019.01
  5. Step 5: Solve for x
    x = 24,020,019.01/5,617.31
  6. Step 6: Final answer
    x = 4,276.08

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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.