Home / 8,495.31-12,736.80-4,281.15

Finding the Fourth Proportional to 8,495.31, 12,736.80 and 4,281.15

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Solution

The fourth proportional to 8,495.31, 12,736.80 and 4,281.15 is: 6,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.31 : 12,736.80 = 4,281.15 : x
  2. Step 2: Convert to fraction form
    8,495.31/12,736.80 = 4,281.15/x
  3. Step 3: Cross multiply
    8,495.31x = 12,736.80 × 4,281.15
  4. Step 4: Simplify right side
    8,495.31x = 54,528,129.91
  5. Step 5: Solve for x
    x = 54,528,129.91/8,495.31
  6. Step 6: Final answer
    x = 6,418.62

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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.