Home / 4,486.32-6,730.61-2,638.98

Finding the Fourth Proportional to 4,486.32, 6,730.61 and 2,638.98

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Solution

The fourth proportional to 4,486.32, 6,730.61 and 2,638.98 is: 3,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.32 : 6,730.61 = 2,638.98 : x
  2. Step 2: Convert to fraction form
    4,486.32/6,730.61 = 2,638.98/x
  3. Step 3: Cross multiply
    4,486.32x = 6,730.61 × 2,638.98
  4. Step 4: Simplify right side
    4,486.32x = 17,761,931.98
  5. Step 5: Solve for x
    x = 17,761,931.98/4,486.32
  6. Step 6: Final answer
    x = 3,959.13

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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.