Home / 8,317.65-11,478.41-4,540.91

Finding the Fourth Proportional to 8,317.65, 11,478.41 and 4,540.91

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Solution

The fourth proportional to 8,317.65, 11,478.41 and 4,540.91 is: 6,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.65 : 11,478.41 = 4,540.91 : x
  2. Step 2: Convert to fraction form
    8,317.65/11,478.41 = 4,540.91/x
  3. Step 3: Cross multiply
    8,317.65x = 11,478.41 × 4,540.91
  4. Step 4: Simplify right side
    8,317.65x = 52,122,428.25
  5. Step 5: Solve for x
    x = 52,122,428.25/8,317.65
  6. Step 6: Final answer
    x = 6,266.48

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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.