Home / 8,752.20-12,079.07-4,975.93

Finding the Fourth Proportional to 8,752.20, 12,079.07 and 4,975.93

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Solution

The fourth proportional to 8,752.20, 12,079.07 and 4,975.93 is: 6,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.20 : 12,079.07 = 4,975.93 : x
  2. Step 2: Convert to fraction form
    8,752.20/12,079.07 = 4,975.93/x
  3. Step 3: Cross multiply
    8,752.20x = 12,079.07 × 4,975.93
  4. Step 4: Simplify right side
    8,752.20x = 60,104,615.66
  5. Step 5: Solve for x
    x = 60,104,615.66/8,752.20
  6. Step 6: Final answer
    x = 6,867.38

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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.