Home / 5,445.12-8,168.30-2,281.94

Finding the Fourth Proportional to 5,445.12, 8,168.30 and 2,281.94

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Solution

The fourth proportional to 5,445.12, 8,168.30 and 2,281.94 is: 3,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.12 : 8,168.30 = 2,281.94 : x
  2. Step 2: Convert to fraction form
    5,445.12/8,168.30 = 2,281.94/x
  3. Step 3: Cross multiply
    5,445.12x = 8,168.30 × 2,281.94
  4. Step 4: Simplify right side
    5,445.12x = 18,639,518.25
  5. Step 5: Solve for x
    x = 18,639,518.25/5,445.12
  6. Step 6: Final answer
    x = 3,423.16

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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.