Home / 3,693.63-5,506.84-3,278.10

Finding the Fourth Proportional to 3,693.63, 5,506.84 and 3,278.10

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Solution

The fourth proportional to 3,693.63, 5,506.84 and 3,278.10 is: 4,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.63 : 5,506.84 = 3,278.10 : x
  2. Step 2: Convert to fraction form
    3,693.63/5,506.84 = 3,278.10/x
  3. Step 3: Cross multiply
    3,693.63x = 5,506.84 × 3,278.10
  4. Step 4: Simplify right side
    3,693.63x = 18,051,964.01
  5. Step 5: Solve for x
    x = 18,051,964.01/3,693.63
  6. Step 6: Final answer
    x = 4,887.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.