Home / 9,477.81-13,079.35-5,229.14

Finding the Fourth Proportional to 9,477.81, 13,079.35 and 5,229.14

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Solution

The fourth proportional to 9,477.81, 13,079.35 and 5,229.14 is: 7,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.81 : 13,079.35 = 5,229.14 : x
  2. Step 2: Convert to fraction form
    9,477.81/13,079.35 = 5,229.14/x
  3. Step 3: Cross multiply
    9,477.81x = 13,079.35 × 5,229.14
  4. Step 4: Simplify right side
    9,477.81x = 68,393,673.79
  5. Step 5: Solve for x
    x = 68,393,673.79/9,477.81
  6. Step 6: Final answer
    x = 7,216.19

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Double scale
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Similar ratio
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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.