Home / 9,140.51-13,710.76-3,297.12

Finding the Fourth Proportional to 9,140.51, 13,710.76 and 3,297.12

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Solution

The fourth proportional to 9,140.51, 13,710.76 and 3,297.12 is: 4,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.51 : 13,710.76 = 3,297.12 : x
  2. Step 2: Convert to fraction form
    9,140.51/13,710.76 = 3,297.12/x
  3. Step 3: Cross multiply
    9,140.51x = 13,710.76 × 3,297.12
  4. Step 4: Simplify right side
    9,140.51x = 45,206,023.10
  5. Step 5: Solve for x
    x = 45,206,023.10/9,140.51
  6. Step 6: Final answer
    x = 4,945.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.