Home / 5,029.09-6,935.61-3,140.85

Finding the Fourth Proportional to 5,029.09, 6,935.61 and 3,140.85

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Solution

The fourth proportional to 5,029.09, 6,935.61 and 3,140.85 is: 4,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.09 : 6,935.61 = 3,140.85 : x
  2. Step 2: Convert to fraction form
    5,029.09/6,935.61 = 3,140.85/x
  3. Step 3: Cross multiply
    5,029.09x = 6,935.61 × 3,140.85
  4. Step 4: Simplify right side
    5,029.09x = 21,783,681.55
  5. Step 5: Solve for x
    x = 21,783,681.55/5,029.09
  6. Step 6: Final answer
    x = 4,331.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.