Home / 5,389.61-7,438.34-3,032.21

Finding the Fourth Proportional to 5,389.61, 7,438.34 and 3,032.21

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Solution

The fourth proportional to 5,389.61, 7,438.34 and 3,032.21 is: 4,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.61 : 7,438.34 = 3,032.21 : x
  2. Step 2: Convert to fraction form
    5,389.61/7,438.34 = 3,032.21/x
  3. Step 3: Cross multiply
    5,389.61x = 7,438.34 × 3,032.21
  4. Step 4: Simplify right side
    5,389.61x = 22,554,608.93
  5. Step 5: Solve for x
    x = 22,554,608.93/5,389.61
  6. Step 6: Final answer
    x = 4,184.83

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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.