Home / 8,831.54-13,246.49-2,988.20

Finding the Fourth Proportional to 8,831.54, 13,246.49 and 2,988.20

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Solution

The fourth proportional to 8,831.54, 13,246.49 and 2,988.20 is: 4,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.54 : 13,246.49 = 2,988.20 : x
  2. Step 2: Convert to fraction form
    8,831.54/13,246.49 = 2,988.20/x
  3. Step 3: Cross multiply
    8,831.54x = 13,246.49 × 2,988.20
  4. Step 4: Simplify right side
    8,831.54x = 39,583,080.24
  5. Step 5: Solve for x
    x = 39,583,080.24/8,831.54
  6. Step 6: Final answer
    x = 4,482.02

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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.