Home / 4,390.60-6,585.90-2,752.20

Finding the Fourth Proportional to 4,390.60, 6,585.90 and 2,752.20

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Solution

The fourth proportional to 4,390.60, 6,585.90 and 2,752.20 is: 4,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.60 : 6,585.90 = 2,752.20 : x
  2. Step 2: Convert to fraction form
    4,390.60/6,585.90 = 2,752.20/x
  3. Step 3: Cross multiply
    4,390.60x = 6,585.90 × 2,752.20
  4. Step 4: Simplify right side
    4,390.60x = 18,125,713.98
  5. Step 5: Solve for x
    x = 18,125,713.98/4,390.60
  6. Step 6: Final answer
    x = 4,128.30

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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.