Home / 6,320.61-9,480.92-2,620.80

Finding the Fourth Proportional to 6,320.61, 9,480.92 and 2,620.80

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Solution

The fourth proportional to 6,320.61, 9,480.92 and 2,620.80 is: 3,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.61 : 9,480.92 = 2,620.80 : x
  2. Step 2: Convert to fraction form
    6,320.61/9,480.92 = 2,620.80/x
  3. Step 3: Cross multiply
    6,320.61x = 9,480.92 × 2,620.80
  4. Step 4: Simplify right side
    6,320.61x = 24,847,582.03
  5. Step 5: Solve for x
    x = 24,847,582.03/6,320.61
  6. Step 6: Final answer
    x = 3,931.20

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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.