Home / 6,320.52-9,480.72-2,160.48

Finding the Fourth Proportional to 6,320.52, 9,480.72 and 2,160.48

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Solution

The fourth proportional to 6,320.52, 9,480.72 and 2,160.48 is: 3,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.52 : 9,480.72 = 2,160.48 : x
  2. Step 2: Convert to fraction form
    6,320.52/9,480.72 = 2,160.48/x
  3. Step 3: Cross multiply
    6,320.52x = 9,480.72 × 2,160.48
  4. Step 4: Simplify right side
    6,320.52x = 20,482,905.95
  5. Step 5: Solve for x
    x = 20,482,905.95/6,320.52
  6. Step 6: Final answer
    x = 3,240.70

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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.