Home / 7,449.78-10,281.96-4,307.88

Finding the Fourth Proportional to 7,449.78, 10,281.96 and 4,307.88

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Solution

The fourth proportional to 7,449.78, 10,281.96 and 4,307.88 is: 5,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.78 : 10,281.96 = 4,307.88 : x
  2. Step 2: Convert to fraction form
    7,449.78/10,281.96 = 4,307.88/x
  3. Step 3: Cross multiply
    7,449.78x = 10,281.96 × 4,307.88
  4. Step 4: Simplify right side
    7,449.78x = 44,293,449.84
  5. Step 5: Solve for x
    x = 44,293,449.84/7,449.78
  6. Step 6: Final answer
    x = 5,945.61

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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.