Home / 4,839.90-7,243.65-4,256.70

Finding the Fourth Proportional to 4,839.90, 7,243.65 and 4,256.70

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Solution

The fourth proportional to 4,839.90, 7,243.65 and 4,256.70 is: 6,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.90 : 7,243.65 = 4,256.70 : x
  2. Step 2: Convert to fraction form
    4,839.90/7,243.65 = 4,256.70/x
  3. Step 3: Cross multiply
    4,839.90x = 7,243.65 × 4,256.70
  4. Step 4: Simplify right side
    4,839.90x = 30,834,044.96
  5. Step 5: Solve for x
    x = 30,834,044.96/4,839.90
  6. Step 6: Final answer
    x = 6,370.80

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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.