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Finding the Fourth Proportional to 4,968.72, 7,453.20 and 1,506

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Solution

The fourth proportional to 4,968.72, 7,453.20 and 1,506 is: 2,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.72 : 7,453.20 = 1,506 : x
  2. Step 2: Convert to fraction form
    4,968.72/7,453.20 = 1,506/x
  3. Step 3: Cross multiply
    4,968.72x = 7,453.20 × 1,506
  4. Step 4: Simplify right side
    4,968.72x = 11,224,519.20
  5. Step 5: Solve for x
    x = 11,224,519.20/4,968.72
  6. Step 6: Final answer
    x = 2,259.04

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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.