Home / 5,427.50-7,490.07-3,069.59

Finding the Fourth Proportional to 5,427.50, 7,490.07 and 3,069.59

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Solution

The fourth proportional to 5,427.50, 7,490.07 and 3,069.59 is: 4,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.50 : 7,490.07 = 3,069.59 : x
  2. Step 2: Convert to fraction form
    5,427.50/7,490.07 = 3,069.59/x
  3. Step 3: Cross multiply
    5,427.50x = 7,490.07 × 3,069.59
  4. Step 4: Simplify right side
    5,427.50x = 22,991,406.52
  5. Step 5: Solve for x
    x = 22,991,406.52/5,427.50
  6. Step 6: Final answer
    x = 4,236.10

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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.