Home / 6,440.20-8,894.58-4,456.84

Finding the Fourth Proportional to 6,440.20, 8,894.58 and 4,456.84

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Solution

The fourth proportional to 6,440.20, 8,894.58 and 4,456.84 is: 6,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.20 : 8,894.58 = 4,456.84 : x
  2. Step 2: Convert to fraction form
    6,440.20/8,894.58 = 4,456.84/x
  3. Step 3: Cross multiply
    6,440.20x = 8,894.58 × 4,456.84
  4. Step 4: Simplify right side
    6,440.20x = 39,641,719.93
  5. Step 5: Solve for x
    x = 39,641,719.93/6,440.20
  6. Step 6: Final answer
    x = 6,155.36

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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.