Home / 5,513.22-7,607.52-3,389.85

Finding the Fourth Proportional to 5,513.22, 7,607.52 and 3,389.85

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Solution

The fourth proportional to 5,513.22, 7,607.52 and 3,389.85 is: 4,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.22 : 7,607.52 = 3,389.85 : x
  2. Step 2: Convert to fraction form
    5,513.22/7,607.52 = 3,389.85/x
  3. Step 3: Cross multiply
    5,513.22x = 7,607.52 × 3,389.85
  4. Step 4: Simplify right side
    5,513.22x = 25,788,351.67
  5. Step 5: Solve for x
    x = 25,788,351.67/5,513.22
  6. Step 6: Final answer
    x = 4,677.55

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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.