Home / 5,490.34-8,231.25-2,715.10

Finding the Fourth Proportional to 5,490.34, 8,231.25 and 2,715.10

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Solution

The fourth proportional to 5,490.34, 8,231.25 and 2,715.10 is: 4,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.34 : 8,231.25 = 2,715.10 : x
  2. Step 2: Convert to fraction form
    5,490.34/8,231.25 = 2,715.10/x
  3. Step 3: Cross multiply
    5,490.34x = 8,231.25 × 2,715.10
  4. Step 4: Simplify right side
    5,490.34x = 22,348,666.88
  5. Step 5: Solve for x
    x = 22,348,666.88/5,490.34
  6. Step 6: Final answer
    x = 4,070.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.