Home / 6,974.24-9,631.20-4,984.80

Finding the Fourth Proportional to 6,974.24, 9,631.20 and 4,984.80

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Solution

The fourth proportional to 6,974.24, 9,631.20 and 4,984.80 is: 6,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.24 : 9,631.20 = 4,984.80 : x
  2. Step 2: Convert to fraction form
    6,974.24/9,631.20 = 4,984.80/x
  3. Step 3: Cross multiply
    6,974.24x = 9,631.20 × 4,984.80
  4. Step 4: Simplify right side
    6,974.24x = 48,009,605.76
  5. Step 5: Solve for x
    x = 48,009,605.76/6,974.24
  6. Step 6: Final answer
    x = 6,883.85

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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.