Home / 4,152.48-5,732.76-2,878.21

Finding the Fourth Proportional to 4,152.48, 5,732.76 and 2,878.21

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Solution

The fourth proportional to 4,152.48, 5,732.76 and 2,878.21 is: 3,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.48 : 5,732.76 = 2,878.21 : x
  2. Step 2: Convert to fraction form
    4,152.48/5,732.76 = 2,878.21/x
  3. Step 3: Cross multiply
    4,152.48x = 5,732.76 × 2,878.21
  4. Step 4: Simplify right side
    4,152.48x = 16,500,079.93
  5. Step 5: Solve for x
    x = 16,500,079.93/4,152.48
  6. Step 6: Final answer
    x = 3,973.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.