Home / 4,007.20-6,005.76-3,278.08

Finding the Fourth Proportional to 4,007.20, 6,005.76 and 3,278.08

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Solution

The fourth proportional to 4,007.20, 6,005.76 and 3,278.08 is: 4,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.20 : 6,005.76 = 3,278.08 : x
  2. Step 2: Convert to fraction form
    4,007.20/6,005.76 = 3,278.08/x
  3. Step 3: Cross multiply
    4,007.20x = 6,005.76 × 3,278.08
  4. Step 4: Simplify right side
    4,007.20x = 19,687,361.74
  5. Step 5: Solve for x
    x = 19,687,361.74/4,007.20
  6. Step 6: Final answer
    x = 4,913.00

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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.