Home / 6,445.12-8,894.76-3,651.04

Finding the Fourth Proportional to 6,445.12, 8,894.76 and 3,651.04

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Solution

The fourth proportional to 6,445.12, 8,894.76 and 3,651.04 is: 5,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.12 : 8,894.76 = 3,651.04 : x
  2. Step 2: Convert to fraction form
    6,445.12/8,894.76 = 3,651.04/x
  3. Step 3: Cross multiply
    6,445.12x = 8,894.76 × 3,651.04
  4. Step 4: Simplify right side
    6,445.12x = 32,475,124.55
  5. Step 5: Solve for x
    x = 32,475,124.55/6,445.12
  6. Step 6: Final answer
    x = 5,038.72

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Half scale
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Double scale
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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.