Home / 4,479.89-6,722.54-1,560.25

Finding the Fourth Proportional to 4,479.89, 6,722.54 and 1,560.25

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Solution

The fourth proportional to 4,479.89, 6,722.54 and 1,560.25 is: 2,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.89 : 6,722.54 = 1,560.25 : x
  2. Step 2: Convert to fraction form
    4,479.89/6,722.54 = 1,560.25/x
  3. Step 3: Cross multiply
    4,479.89x = 6,722.54 × 1,560.25
  4. Step 4: Simplify right side
    4,479.89x = 10,488,801.62
  5. Step 5: Solve for x
    x = 10,488,801.62/4,479.89
  6. Step 6: Final answer
    x = 2,341.31

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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.