Home / 5,648.32-7,794.49-3,130.54

Finding the Fourth Proportional to 5,648.32, 7,794.49 and 3,130.54

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Solution

The fourth proportional to 5,648.32, 7,794.49 and 3,130.54 is: 4,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.32 : 7,794.49 = 3,130.54 : x
  2. Step 2: Convert to fraction form
    5,648.32/7,794.49 = 3,130.54/x
  3. Step 3: Cross multiply
    5,648.32x = 7,794.49 × 3,130.54
  4. Step 4: Simplify right side
    5,648.32x = 24,400,962.72
  5. Step 5: Solve for x
    x = 24,400,962.72/5,648.32
  6. Step 6: Final answer
    x = 4,320.04

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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.