Home / 4,749.58-7,125.95-2,992.55

Finding the Fourth Proportional to 4,749.58, 7,125.95 and 2,992.55

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Solution

The fourth proportional to 4,749.58, 7,125.95 and 2,992.55 is: 4,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.58 : 7,125.95 = 2,992.55 : x
  2. Step 2: Convert to fraction form
    4,749.58/7,125.95 = 2,992.55/x
  3. Step 3: Cross multiply
    4,749.58x = 7,125.95 × 2,992.55
  4. Step 4: Simplify right side
    4,749.58x = 21,324,746.71
  5. Step 5: Solve for x
    x = 21,324,746.71/4,749.58
  6. Step 6: Final answer
    x = 4,489.82

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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.