Home / 4,382.72-6,575.52-2,740.40

Finding the Fourth Proportional to 4,382.72, 6,575.52 and 2,740.40

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Solution

The fourth proportional to 4,382.72, 6,575.52 and 2,740.40 is: 4,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.72 : 6,575.52 = 2,740.40 : x
  2. Step 2: Convert to fraction form
    4,382.72/6,575.52 = 2,740.40/x
  3. Step 3: Cross multiply
    4,382.72x = 6,575.52 × 2,740.40
  4. Step 4: Simplify right side
    4,382.72x = 18,019,555.01
  5. Step 5: Solve for x
    x = 18,019,555.01/4,382.72
  6. Step 6: Final answer
    x = 4,111.50

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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.