Home / 5,349.70-8,024.55-4,912.30

Finding the Fourth Proportional to 5,349.70, 8,024.55 and 4,912.30

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Solution

The fourth proportional to 5,349.70, 8,024.55 and 4,912.30 is: 7,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.70 : 8,024.55 = 4,912.30 : x
  2. Step 2: Convert to fraction form
    5,349.70/8,024.55 = 4,912.30/x
  3. Step 3: Cross multiply
    5,349.70x = 8,024.55 × 4,912.30
  4. Step 4: Simplify right side
    5,349.70x = 39,418,996.97
  5. Step 5: Solve for x
    x = 39,418,996.97/5,349.70
  6. Step 6: Final answer
    x = 7,368.45

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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.