Home / 4,140.41-5,710.56-3,020.90

Finding the Fourth Proportional to 4,140.41, 5,710.56 and 3,020.90

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Solution

The fourth proportional to 4,140.41, 5,710.56 and 3,020.90 is: 4,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.41 : 5,710.56 = 3,020.90 : x
  2. Step 2: Convert to fraction form
    4,140.41/5,710.56 = 3,020.90/x
  3. Step 3: Cross multiply
    4,140.41x = 5,710.56 × 3,020.90
  4. Step 4: Simplify right side
    4,140.41x = 17,251,030.70
  5. Step 5: Solve for x
    x = 17,251,030.70/4,140.41
  6. Step 6: Final answer
    x = 4,166.50

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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.