Home / 9,489.56-13,095.61-5,297.81

Finding the Fourth Proportional to 9,489.56, 13,095.61 and 5,297.81

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Solution

The fourth proportional to 9,489.56, 13,095.61 and 5,297.81 is: 7,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.56 : 13,095.61 = 5,297.81 : x
  2. Step 2: Convert to fraction form
    9,489.56/13,095.61 = 5,297.81/x
  3. Step 3: Cross multiply
    9,489.56x = 13,095.61 × 5,297.81
  4. Step 4: Simplify right side
    9,489.56x = 69,378,073.11
  5. Step 5: Solve for x
    x = 69,378,073.11/9,489.56
  6. Step 6: Final answer
    x = 7,310.99

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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.