Home / 4,277.90-6,427.65-3,802.70

Finding the Fourth Proportional to 4,277.90, 6,427.65 and 3,802.70

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Solution

The fourth proportional to 4,277.90, 6,427.65 and 3,802.70 is: 5,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.90 : 6,427.65 = 3,802.70 : x
  2. Step 2: Convert to fraction form
    4,277.90/6,427.65 = 3,802.70/x
  3. Step 3: Cross multiply
    4,277.90x = 6,427.65 × 3,802.70
  4. Step 4: Simplify right side
    4,277.90x = 24,442,424.66
  5. Step 5: Solve for x
    x = 24,442,424.66/4,277.90
  6. Step 6: Final answer
    x = 5,713.65

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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.