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Finding the Fourth Proportional to 5,292.72, 7,303.48 and 2,934.24

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Solution

The fourth proportional to 5,292.72, 7,303.48 and 2,934.24 is: 4,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.72 : 7,303.48 = 2,934.24 : x
  2. Step 2: Convert to fraction form
    5,292.72/7,303.48 = 2,934.24/x
  3. Step 3: Cross multiply
    5,292.72x = 7,303.48 × 2,934.24
  4. Step 4: Simplify right side
    5,292.72x = 21,430,163.16
  5. Step 5: Solve for x
    x = 21,430,163.16/5,292.72
  6. Step 6: Final answer
    x = 4,048.99

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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.