Home / 4,089.03-6,130.17-3,501.78

Finding the Fourth Proportional to 4,089.03, 6,130.17 and 3,501.78

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Solution

The fourth proportional to 4,089.03, 6,130.17 and 3,501.78 is: 5,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.03 : 6,130.17 = 3,501.78 : x
  2. Step 2: Convert to fraction form
    4,089.03/6,130.17 = 3,501.78/x
  3. Step 3: Cross multiply
    4,089.03x = 6,130.17 × 3,501.78
  4. Step 4: Simplify right side
    4,089.03x = 21,466,506.70
  5. Step 5: Solve for x
    x = 21,466,506.70/4,089.03
  6. Step 6: Final answer
    x = 5,249.78

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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.