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Finding the Fourth Proportional to 4,393.65, 6,071.99 and 3,278.28

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Solution

The fourth proportional to 4,393.65, 6,071.99 and 3,278.28 is: 4,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.65 : 6,071.99 = 3,278.28 : x
  2. Step 2: Convert to fraction form
    4,393.65/6,071.99 = 3,278.28/x
  3. Step 3: Cross multiply
    4,393.65x = 6,071.99 × 3,278.28
  4. Step 4: Simplify right side
    4,393.65x = 19,905,666.99
  5. Step 5: Solve for x
    x = 19,905,666.99/4,393.65
  6. Step 6: Final answer
    x = 4,530.55

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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.