Home / 4,282.12-6,424.08-1,360

Finding the Fourth Proportional to 4,282.12, 6,424.08 and 1,360

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Solution

The fourth proportional to 4,282.12, 6,424.08 and 1,360 is: 2,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.12 : 6,424.08 = 1,360 : x
  2. Step 2: Convert to fraction form
    4,282.12/6,424.08 = 1,360/x
  3. Step 3: Cross multiply
    4,282.12x = 6,424.08 × 1,360
  4. Step 4: Simplify right side
    4,282.12x = 8,736,748.80
  5. Step 5: Solve for x
    x = 8,736,748.80/4,282.12
  6. Step 6: Final answer
    x = 2,040.29

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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.