Home / 8,851.29-12,213.23-5,314.58

Finding the Fourth Proportional to 8,851.29, 12,213.23 and 5,314.58

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Solution

The fourth proportional to 8,851.29, 12,213.23 and 5,314.58 is: 7,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.29 : 12,213.23 = 5,314.58 : x
  2. Step 2: Convert to fraction form
    8,851.29/12,213.23 = 5,314.58/x
  3. Step 3: Cross multiply
    8,851.29x = 12,213.23 × 5,314.58
  4. Step 4: Simplify right side
    8,851.29x = 64,908,175.95
  5. Step 5: Solve for x
    x = 64,908,175.95/8,851.29
  6. Step 6: Final answer
    x = 7,333.19

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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.