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Finding the Fourth Proportional to 5,000.38, 6,900.54 and 2,762.32

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Solution

The fourth proportional to 5,000.38, 6,900.54 and 2,762.32 is: 3,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.38 : 6,900.54 = 2,762.32 : x
  2. Step 2: Convert to fraction form
    5,000.38/6,900.54 = 2,762.32/x
  3. Step 3: Cross multiply
    5,000.38x = 6,900.54 × 2,762.32
  4. Step 4: Simplify right side
    5,000.38x = 19,061,499.65
  5. Step 5: Solve for x
    x = 19,061,499.65/5,000.38
  6. Step 6: Final answer
    x = 3,812.01

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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.