Home / 5,617.29-7,751.80-3,099.45

Finding the Fourth Proportional to 5,617.29, 7,751.80 and 3,099.45

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Solution

The fourth proportional to 5,617.29, 7,751.80 and 3,099.45 is: 4,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.29 : 7,751.80 = 3,099.45 : x
  2. Step 2: Convert to fraction form
    5,617.29/7,751.80 = 3,099.45/x
  3. Step 3: Cross multiply
    5,617.29x = 7,751.80 × 3,099.45
  4. Step 4: Simplify right side
    5,617.29x = 24,026,301.01
  5. Step 5: Solve for x
    x = 24,026,301.01/5,617.29
  6. Step 6: Final answer
    x = 4,277.21

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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.