Home / 8,831.18-12,186.78-5,054.52

Finding the Fourth Proportional to 8,831.18, 12,186.78 and 5,054.52

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Solution

The fourth proportional to 8,831.18, 12,186.78 and 5,054.52 is: 6,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.18 : 12,186.78 = 5,054.52 : x
  2. Step 2: Convert to fraction form
    8,831.18/12,186.78 = 5,054.52/x
  3. Step 3: Cross multiply
    8,831.18x = 12,186.78 × 5,054.52
  4. Step 4: Simplify right side
    8,831.18x = 61,598,323.25
  5. Step 5: Solve for x
    x = 61,598,323.25/8,831.18
  6. Step 6: Final answer
    x = 6,975.10

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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.