Home / 8,519.38-11,756.75-4,981.91

Finding the Fourth Proportional to 8,519.38, 11,756.75 and 4,981.91

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Solution

The fourth proportional to 8,519.38, 11,756.75 and 4,981.91 is: 6,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.38 : 11,756.75 = 4,981.91 : x
  2. Step 2: Convert to fraction form
    8,519.38/11,756.75 = 4,981.91/x
  3. Step 3: Cross multiply
    8,519.38x = 11,756.75 × 4,981.91
  4. Step 4: Simplify right side
    8,519.38x = 58,570,986.70
  5. Step 5: Solve for x
    x = 58,570,986.70/8,519.38
  6. Step 6: Final answer
    x = 6,875.03

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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.