Home / 5,521.17-7,615.20-3,505.19

Finding the Fourth Proportional to 5,521.17, 7,615.20 and 3,505.19

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Solution

The fourth proportional to 5,521.17, 7,615.20 and 3,505.19 is: 4,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.17 : 7,615.20 = 3,505.19 : x
  2. Step 2: Convert to fraction form
    5,521.17/7,615.20 = 3,505.19/x
  3. Step 3: Cross multiply
    5,521.17x = 7,615.20 × 3,505.19
  4. Step 4: Simplify right side
    5,521.17x = 26,692,684.81
  5. Step 5: Solve for x
    x = 26,692,684.81/5,521.17
  6. Step 6: Final answer
    x = 4,834.61

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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.