Home / 4,938.98-6,816.15-3,369.20

Finding the Fourth Proportional to 4,938.98, 6,816.15 and 3,369.20

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Solution

The fourth proportional to 4,938.98, 6,816.15 and 3,369.20 is: 4,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.98 : 6,816.15 = 3,369.20 : x
  2. Step 2: Convert to fraction form
    4,938.98/6,816.15 = 3,369.20/x
  3. Step 3: Cross multiply
    4,938.98x = 6,816.15 × 3,369.20
  4. Step 4: Simplify right side
    4,938.98x = 22,964,938.50
  5. Step 5: Solve for x
    x = 22,964,938.50/4,938.98
  6. Step 6: Final answer
    x = 4,649.74

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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.