Home / 6,636.20-9,954.30-5,712.80

Finding the Fourth Proportional to 6,636.20, 9,954.30 and 5,712.80

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Solution

The fourth proportional to 6,636.20, 9,954.30 and 5,712.80 is: 8,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.20 : 9,954.30 = 5,712.80 : x
  2. Step 2: Convert to fraction form
    6,636.20/9,954.30 = 5,712.80/x
  3. Step 3: Cross multiply
    6,636.20x = 9,954.30 × 5,712.80
  4. Step 4: Simplify right side
    6,636.20x = 56,866,925.04
  5. Step 5: Solve for x
    x = 56,866,925.04/6,636.20
  6. Step 6: Final answer
    x = 8,569.20

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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.