Home / 4,089.06-6,130.14-3,501.78

Finding the Fourth Proportional to 4,089.06, 6,130.14 and 3,501.78

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Solution

The fourth proportional to 4,089.06, 6,130.14 and 3,501.78 is: 5,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.06 : 6,130.14 = 3,501.78 : x
  2. Step 2: Convert to fraction form
    4,089.06/6,130.14 = 3,501.78/x
  3. Step 3: Cross multiply
    4,089.06x = 6,130.14 × 3,501.78
  4. Step 4: Simplify right side
    4,089.06x = 21,466,401.65
  5. Step 5: Solve for x
    x = 21,466,401.65/4,089.06
  6. Step 6: Final answer
    x = 5,249.72

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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.