Home / 6,319.52-9,480.36-2,810.78

Finding the Fourth Proportional to 6,319.52, 9,480.36 and 2,810.78

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Solution

The fourth proportional to 6,319.52, 9,480.36 and 2,810.78 is: 4,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.52 : 9,480.36 = 2,810.78 : x
  2. Step 2: Convert to fraction form
    6,319.52/9,480.36 = 2,810.78/x
  3. Step 3: Cross multiply
    6,319.52x = 9,480.36 × 2,810.78
  4. Step 4: Simplify right side
    6,319.52x = 26,647,206.28
  5. Step 5: Solve for x
    x = 26,647,206.28/6,319.52
  6. Step 6: Final answer
    x = 4,216.65

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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.