Home / 5,427.86-7,490.57-3,069.99

Finding the Fourth Proportional to 5,427.86, 7,490.57 and 3,069.99

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Solution

The fourth proportional to 5,427.86, 7,490.57 and 3,069.99 is: 4,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.86 : 7,490.57 = 3,069.99 : x
  2. Step 2: Convert to fraction form
    5,427.86/7,490.57 = 3,069.99/x
  3. Step 3: Cross multiply
    5,427.86x = 7,490.57 × 3,069.99
  4. Step 4: Simplify right side
    5,427.86x = 22,995,959.64
  5. Step 5: Solve for x
    x = 22,995,959.64/5,427.86
  6. Step 6: Final answer
    x = 4,236.66

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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.