Home / 4,378.01-6,569.99-1,781.42

Finding the Fourth Proportional to 4,378.01, 6,569.99 and 1,781.42

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Solution

The fourth proportional to 4,378.01, 6,569.99 and 1,781.42 is: 2,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.01 : 6,569.99 = 1,781.42 : x
  2. Step 2: Convert to fraction form
    4,378.01/6,569.99 = 1,781.42/x
  3. Step 3: Cross multiply
    4,378.01x = 6,569.99 × 1,781.42
  4. Step 4: Simplify right side
    4,378.01x = 11,703,902.68
  5. Step 5: Solve for x
    x = 11,703,902.68/4,378.01
  6. Step 6: Final answer
    x = 2,673.34

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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.