Home / 8,752.29-12,078.45-4,975.61

Finding the Fourth Proportional to 8,752.29, 12,078.45 and 4,975.61

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Solution

The fourth proportional to 8,752.29, 12,078.45 and 4,975.61 is: 6,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.29 : 12,078.45 = 4,975.61 : x
  2. Step 2: Convert to fraction form
    8,752.29/12,078.45 = 4,975.61/x
  3. Step 3: Cross multiply
    8,752.29x = 12,078.45 × 4,975.61
  4. Step 4: Simplify right side
    8,752.29x = 60,097,656.60
  5. Step 5: Solve for x
    x = 60,097,656.60/8,752.29
  6. Step 6: Final answer
    x = 6,866.51

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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.