Home / 4,908.12-6,770.98-2,917.55

Finding the Fourth Proportional to 4,908.12, 6,770.98 and 2,917.55

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Solution

The fourth proportional to 4,908.12, 6,770.98 and 2,917.55 is: 4,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.12 : 6,770.98 = 2,917.55 : x
  2. Step 2: Convert to fraction form
    4,908.12/6,770.98 = 2,917.55/x
  3. Step 3: Cross multiply
    4,908.12x = 6,770.98 × 2,917.55
  4. Step 4: Simplify right side
    4,908.12x = 19,754,624.26
  5. Step 5: Solve for x
    x = 19,754,624.26/4,908.12
  6. Step 6: Final answer
    x = 4,024.89

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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.