Home / 5,389.75-7,438.28-3,032.07

Finding the Fourth Proportional to 5,389.75, 7,438.28 and 3,032.07

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Solution

The fourth proportional to 5,389.75, 7,438.28 and 3,032.07 is: 4,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.75 : 7,438.28 = 3,032.07 : x
  2. Step 2: Convert to fraction form
    5,389.75/7,438.28 = 3,032.07/x
  3. Step 3: Cross multiply
    5,389.75x = 7,438.28 × 3,032.07
  4. Step 4: Simplify right side
    5,389.75x = 22,553,385.64
  5. Step 5: Solve for x
    x = 22,553,385.64/5,389.75
  6. Step 6: Final answer
    x = 4,184.50

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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.