Home / 4,639.28-6,402.65-2,649.98

Finding the Fourth Proportional to 4,639.28, 6,402.65 and 2,649.98

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Solution

The fourth proportional to 4,639.28, 6,402.65 and 2,649.98 is: 3,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.28 : 6,402.65 = 2,649.98 : x
  2. Step 2: Convert to fraction form
    4,639.28/6,402.65 = 2,649.98/x
  3. Step 3: Cross multiply
    4,639.28x = 6,402.65 × 2,649.98
  4. Step 4: Simplify right side
    4,639.28x = 16,966,897.20
  5. Step 5: Solve for x
    x = 16,966,897.20/4,639.28
  6. Step 6: Final answer
    x = 3,657.23

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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.