Home / 5,427.65-7,490.09-3,037.70

Finding the Fourth Proportional to 5,427.65, 7,490.09 and 3,037.70

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Solution

The fourth proportional to 5,427.65, 7,490.09 and 3,037.70 is: 4,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.65 : 7,490.09 = 3,037.70 : x
  2. Step 2: Convert to fraction form
    5,427.65/7,490.09 = 3,037.70/x
  3. Step 3: Cross multiply
    5,427.65x = 7,490.09 × 3,037.70
  4. Step 4: Simplify right side
    5,427.65x = 22,752,672.71
  5. Step 5: Solve for x
    x = 22,752,672.71/5,427.65
  6. Step 6: Final answer
    x = 4,191.99

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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.