Home / 4,972.40-7,455.76-2,047.22

Finding the Fourth Proportional to 4,972.40, 7,455.76 and 2,047.22

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Solution

The fourth proportional to 4,972.40, 7,455.76 and 2,047.22 is: 3,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.40 : 7,455.76 = 2,047.22 : x
  2. Step 2: Convert to fraction form
    4,972.40/7,455.76 = 2,047.22/x
  3. Step 3: Cross multiply
    4,972.40x = 7,455.76 × 2,047.22
  4. Step 4: Simplify right side
    4,972.40x = 15,263,580.99
  5. Step 5: Solve for x
    x = 15,263,580.99/4,972.40
  6. Step 6: Final answer
    x = 3,069.66

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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.