Home / 9,647.25-13,312.76-5,398.85

Finding the Fourth Proportional to 9,647.25, 13,312.76 and 5,398.85

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Solution

The fourth proportional to 9,647.25, 13,312.76 and 5,398.85 is: 7,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.25 : 13,312.76 = 5,398.85 : x
  2. Step 2: Convert to fraction form
    9,647.25/13,312.76 = 5,398.85/x
  3. Step 3: Cross multiply
    9,647.25x = 13,312.76 × 5,398.85
  4. Step 4: Simplify right side
    9,647.25x = 71,873,600.61
  5. Step 5: Solve for x
    x = 71,873,600.61/9,647.25
  6. Step 6: Final answer
    x = 7,450.16

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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.