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Finding the Fourth Proportional to 5,038.74, 6,952.77 and 2,943.54

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Solution

The fourth proportional to 5,038.74, 6,952.77 and 2,943.54 is: 4,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.74 : 6,952.77 = 2,943.54 : x
  2. Step 2: Convert to fraction form
    5,038.74/6,952.77 = 2,943.54/x
  3. Step 3: Cross multiply
    5,038.74x = 6,952.77 × 2,943.54
  4. Step 4: Simplify right side
    5,038.74x = 20,465,756.61
  5. Step 5: Solve for x
    x = 20,465,756.61/5,038.74
  6. Step 6: Final answer
    x = 4,061.68

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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.