Home / 5,225.19-7,842.15-4,896.78

Finding the Fourth Proportional to 5,225.19, 7,842.15 and 4,896.78

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Solution

The fourth proportional to 5,225.19, 7,842.15 and 4,896.78 is: 7,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.19 : 7,842.15 = 4,896.78 : x
  2. Step 2: Convert to fraction form
    5,225.19/7,842.15 = 4,896.78/x
  3. Step 3: Cross multiply
    5,225.19x = 7,842.15 × 4,896.78
  4. Step 4: Simplify right side
    5,225.19x = 38,401,283.28
  5. Step 5: Solve for x
    x = 38,401,283.28/5,225.19
  6. Step 6: Final answer
    x = 7,349.26

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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.