Home / 8,357.90-12,541.73-3,164.18

Finding the Fourth Proportional to 8,357.90, 12,541.73 and 3,164.18

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Solution

The fourth proportional to 8,357.90, 12,541.73 and 3,164.18 is: 4,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.90 : 12,541.73 = 3,164.18 : x
  2. Step 2: Convert to fraction form
    8,357.90/12,541.73 = 3,164.18/x
  3. Step 3: Cross multiply
    8,357.90x = 12,541.73 × 3,164.18
  4. Step 4: Simplify right side
    8,357.90x = 39,684,212.70
  5. Step 5: Solve for x
    x = 39,684,212.70/8,357.90
  6. Step 6: Final answer
    x = 4,748.11

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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.