Home / 9,439.03-13,026.02-5,247.28

Finding the Fourth Proportional to 9,439.03, 13,026.02 and 5,247.28

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Solution

The fourth proportional to 9,439.03, 13,026.02 and 5,247.28 is: 7,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.03 : 13,026.02 = 5,247.28 : x
  2. Step 2: Convert to fraction form
    9,439.03/13,026.02 = 5,247.28/x
  3. Step 3: Cross multiply
    9,439.03x = 13,026.02 × 5,247.28
  4. Step 4: Simplify right side
    9,439.03x = 68,351,164.27
  5. Step 5: Solve for x
    x = 68,351,164.27/9,439.03
  6. Step 6: Final answer
    x = 7,241.33

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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.