Home / 6,320.20-8,720.58-4,825.48

Finding the Fourth Proportional to 6,320.20, 8,720.58 and 4,825.48

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Solution

The fourth proportional to 6,320.20, 8,720.58 and 4,825.48 is: 6,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.20 : 8,720.58 = 4,825.48 : x
  2. Step 2: Convert to fraction form
    6,320.20/8,720.58 = 4,825.48/x
  3. Step 3: Cross multiply
    6,320.20x = 8,720.58 × 4,825.48
  4. Step 4: Simplify right side
    6,320.20x = 42,080,984.38
  5. Step 5: Solve for x
    x = 42,080,984.38/6,320.20
  6. Step 6: Final answer
    x = 6,658.17

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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.