Home / 4,992.60-7,488.30-2,913.78

Finding the Fourth Proportional to 4,992.60, 7,488.30 and 2,913.78

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Solution

The fourth proportional to 4,992.60, 7,488.30 and 2,913.78 is: 4,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.60 : 7,488.30 = 2,913.78 : x
  2. Step 2: Convert to fraction form
    4,992.60/7,488.30 = 2,913.78/x
  3. Step 3: Cross multiply
    4,992.60x = 7,488.30 × 2,913.78
  4. Step 4: Simplify right side
    4,992.60x = 21,819,258.77
  5. Step 5: Solve for x
    x = 21,819,258.77/4,992.60
  6. Step 6: Final answer
    x = 4,370.32

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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.