Home / 8,831.23-13,229.15-5,319.27

Finding the Fourth Proportional to 8,831.23, 13,229.15 and 5,319.27

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Solution

The fourth proportional to 8,831.23, 13,229.15 and 5,319.27 is: 7,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.23 : 13,229.15 = 5,319.27 : x
  2. Step 2: Convert to fraction form
    8,831.23/13,229.15 = 5,319.27/x
  3. Step 3: Cross multiply
    8,831.23x = 13,229.15 × 5,319.27
  4. Step 4: Simplify right side
    8,831.23x = 70,369,394.12
  5. Step 5: Solve for x
    x = 70,369,394.12/8,831.23
  6. Step 6: Final answer
    x = 7,968.25

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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.