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Finding the Fourth Proportional to 5,292.78, 7,303.96 and 2,934.88

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Solution

The fourth proportional to 5,292.78, 7,303.96 and 2,934.88 is: 4,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.78 : 7,303.96 = 2,934.88 : x
  2. Step 2: Convert to fraction form
    5,292.78/7,303.96 = 2,934.88/x
  3. Step 3: Cross multiply
    5,292.78x = 7,303.96 × 2,934.88
  4. Step 4: Simplify right side
    5,292.78x = 21,436,246.12
  5. Step 5: Solve for x
    x = 21,436,246.12/5,292.78
  6. Step 6: Final answer
    x = 4,050.09

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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.