Home / 4,355.20-6,534.72-1,763.20

Finding the Fourth Proportional to 4,355.20, 6,534.72 and 1,763.20

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Solution

The fourth proportional to 4,355.20, 6,534.72 and 1,763.20 is: 2,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.20 : 6,534.72 = 1,763.20 : x
  2. Step 2: Convert to fraction form
    4,355.20/6,534.72 = 1,763.20/x
  3. Step 3: Cross multiply
    4,355.20x = 6,534.72 × 1,763.20
  4. Step 4: Simplify right side
    4,355.20x = 11,522,018.30
  5. Step 5: Solve for x
    x = 11,522,018.30/4,355.20
  6. Step 6: Final answer
    x = 2,645.58

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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.