Home / 5,272.90-7,277.62-3,386.88

Finding the Fourth Proportional to 5,272.90, 7,277.62 and 3,386.88

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Solution

The fourth proportional to 5,272.90, 7,277.62 and 3,386.88 is: 4,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.90 : 7,277.62 = 3,386.88 : x
  2. Step 2: Convert to fraction form
    5,272.90/7,277.62 = 3,386.88/x
  3. Step 3: Cross multiply
    5,272.90x = 7,277.62 × 3,386.88
  4. Step 4: Simplify right side
    5,272.90x = 24,648,425.63
  5. Step 5: Solve for x
    x = 24,648,425.63/5,272.90
  6. Step 6: Final answer
    x = 4,674.55

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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.