Home / 4,708.48-7,077.30-2,988.04

Finding the Fourth Proportional to 4,708.48, 7,077.30 and 2,988.04

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Solution

The fourth proportional to 4,708.48, 7,077.30 and 2,988.04 is: 4,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.48 : 7,077.30 = 2,988.04 : x
  2. Step 2: Convert to fraction form
    4,708.48/7,077.30 = 2,988.04/x
  3. Step 3: Cross multiply
    4,708.48x = 7,077.30 × 2,988.04
  4. Step 4: Simplify right side
    4,708.48x = 21,147,255.49
  5. Step 5: Solve for x
    x = 21,147,255.49/4,708.48
  6. Step 6: Final answer
    x = 4,491.31

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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.