Home / 4,749-7,118.76-2,283.12

Finding the Fourth Proportional to 4,749, 7,118.76 and 2,283.12

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Solution

The fourth proportional to 4,749, 7,118.76 and 2,283.12 is: 3,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749 : 7,118.76 = 2,283.12 : x
  2. Step 2: Convert to fraction form
    4,749/7,118.76 = 2,283.12/x
  3. Step 3: Cross multiply
    4,749x = 7,118.76 × 2,283.12
  4. Step 4: Simplify right side
    4,749x = 16,252,983.33
  5. Step 5: Solve for x
    x = 16,252,983.33/4,749
  6. Step 6: Final answer
    x = 3,422.40

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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.