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Finding the Fourth Proportional to 7,592.88, 10,479.06 and 4,449

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Solution

The fourth proportional to 7,592.88, 10,479.06 and 4,449 is: 6,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,592.88 : 10,479.06 = 4,449 : x
  2. Step 2: Convert to fraction form
    7,592.88/10,479.06 = 4,449/x
  3. Step 3: Cross multiply
    7,592.88x = 10,479.06 × 4,449
  4. Step 4: Simplify right side
    7,592.88x = 46,621,337.94
  5. Step 5: Solve for x
    x = 46,621,337.94/7,592.88
  6. Step 6: Final answer
    x = 6,140.14

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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.