Home / 7,847.28-10,830.18-4,490.58

Finding the Fourth Proportional to 7,847.28, 10,830.18 and 4,490.58

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Solution

The fourth proportional to 7,847.28, 10,830.18 and 4,490.58 is: 6,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.28 : 10,830.18 = 4,490.58 : x
  2. Step 2: Convert to fraction form
    7,847.28/10,830.18 = 4,490.58/x
  3. Step 3: Cross multiply
    7,847.28x = 10,830.18 × 4,490.58
  4. Step 4: Simplify right side
    7,847.28x = 48,633,789.70
  5. Step 5: Solve for x
    x = 48,633,789.70/7,847.28
  6. Step 6: Final answer
    x = 6,197.53

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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.