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Finding the Fourth Proportional to 5,000.71, 6,900.94 and 2,762.74

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Solution

The fourth proportional to 5,000.71, 6,900.94 and 2,762.74 is: 3,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.71 : 6,900.94 = 2,762.74 : x
  2. Step 2: Convert to fraction form
    5,000.71/6,900.94 = 2,762.74/x
  3. Step 3: Cross multiply
    5,000.71x = 6,900.94 × 2,762.74
  4. Step 4: Simplify right side
    5,000.71x = 19,065,478.82
  5. Step 5: Solve for x
    x = 19,065,478.82/5,000.71
  6. Step 6: Final answer
    x = 3,812.56

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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.