Home / 8,831.95-13,239.69-2,984.47

Finding the Fourth Proportional to 8,831.95, 13,239.69 and 2,984.47

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Solution

The fourth proportional to 8,831.95, 13,239.69 and 2,984.47 is: 4,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.95 : 13,239.69 = 2,984.47 : x
  2. Step 2: Convert to fraction form
    8,831.95/13,239.69 = 2,984.47/x
  3. Step 3: Cross multiply
    8,831.95x = 13,239.69 × 2,984.47
  4. Step 4: Simplify right side
    8,831.95x = 39,513,457.61
  5. Step 5: Solve for x
    x = 39,513,457.61/8,831.95
  6. Step 6: Final answer
    x = 4,473.92

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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.