Home / 8,823.41-13,217.81-5,117.85

Finding the Fourth Proportional to 8,823.41, 13,217.81 and 5,117.85

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Solution

The fourth proportional to 8,823.41, 13,217.81 and 5,117.85 is: 7,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.41 : 13,217.81 = 5,117.85 : x
  2. Step 2: Convert to fraction form
    8,823.41/13,217.81 = 5,117.85/x
  3. Step 3: Cross multiply
    8,823.41x = 13,217.81 × 5,117.85
  4. Step 4: Simplify right side
    8,823.41x = 67,646,768.91
  5. Step 5: Solve for x
    x = 67,646,768.91/8,823.41
  6. Step 6: Final answer
    x = 7,666.74

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1.5x scale

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.