Home / 6,445.80-8,894.50-3,794.04

Finding the Fourth Proportional to 6,445.80, 8,894.50 and 3,794.04

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Solution

The fourth proportional to 6,445.80, 8,894.50 and 3,794.04 is: 5,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.80 : 8,894.50 = 3,794.04 : x
  2. Step 2: Convert to fraction form
    6,445.80/8,894.50 = 3,794.04/x
  3. Step 3: Cross multiply
    6,445.80x = 8,894.50 × 3,794.04
  4. Step 4: Simplify right side
    6,445.80x = 33,746,088.78
  5. Step 5: Solve for x
    x = 33,746,088.78/6,445.80
  6. Step 6: Final answer
    x = 5,235.36

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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.