Home / 5,354.98-7,389.73-3,117.25

Finding the Fourth Proportional to 5,354.98, 7,389.73 and 3,117.25

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Solution

The fourth proportional to 5,354.98, 7,389.73 and 3,117.25 is: 4,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.98 : 7,389.73 = 3,117.25 : x
  2. Step 2: Convert to fraction form
    5,354.98/7,389.73 = 3,117.25/x
  3. Step 3: Cross multiply
    5,354.98x = 7,389.73 × 3,117.25
  4. Step 4: Simplify right side
    5,354.98x = 23,035,648.98
  5. Step 5: Solve for x
    x = 23,035,648.98/5,354.98
  6. Step 6: Final answer
    x = 4,301.73

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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.