Home / 4,552.20-6,280.20-2,870.64

Finding the Fourth Proportional to 4,552.20, 6,280.20 and 2,870.64

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Solution

The fourth proportional to 4,552.20, 6,280.20 and 2,870.64 is: 3,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,552.20 : 6,280.20 = 2,870.64 : x
  2. Step 2: Convert to fraction form
    4,552.20/6,280.20 = 2,870.64/x
  3. Step 3: Cross multiply
    4,552.20x = 6,280.20 × 2,870.64
  4. Step 4: Simplify right side
    4,552.20x = 18,028,193.33
  5. Step 5: Solve for x
    x = 18,028,193.33/4,552.20
  6. Step 6: Final answer
    x = 3,960.33

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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.