Home / 4,459.46-6,675.31-3,290.78

Finding the Fourth Proportional to 4,459.46, 6,675.31 and 3,290.78

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Solution

The fourth proportional to 4,459.46, 6,675.31 and 3,290.78 is: 4,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.46 : 6,675.31 = 3,290.78 : x
  2. Step 2: Convert to fraction form
    4,459.46/6,675.31 = 3,290.78/x
  3. Step 3: Cross multiply
    4,459.46x = 6,675.31 × 3,290.78
  4. Step 4: Simplify right side
    4,459.46x = 21,966,959.89
  5. Step 5: Solve for x
    x = 21,966,959.89/4,459.46
  6. Step 6: Final answer
    x = 4,925.93

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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.