Home / 8,517.69-11,756.16-4,981.77

Finding the Fourth Proportional to 8,517.69, 11,756.16 and 4,981.77

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Solution

The fourth proportional to 8,517.69, 11,756.16 and 4,981.77 is: 6,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.69 : 11,756.16 = 4,981.77 : x
  2. Step 2: Convert to fraction form
    8,517.69/11,756.16 = 4,981.77/x
  3. Step 3: Cross multiply
    8,517.69x = 11,756.16 × 4,981.77
  4. Step 4: Simplify right side
    8,517.69x = 58,566,485.20
  5. Step 5: Solve for x
    x = 58,566,485.20/8,517.69
  6. Step 6: Final answer
    x = 6,875.86

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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.