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Finding the Fourth Proportional to 5,573.92, 7,694.74 and 4,312.12

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Solution

The fourth proportional to 5,573.92, 7,694.74 and 4,312.12 is: 5,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.92 : 7,694.74 = 4,312.12 : x
  2. Step 2: Convert to fraction form
    5,573.92/7,694.74 = 4,312.12/x
  3. Step 3: Cross multiply
    5,573.92x = 7,694.74 × 4,312.12
  4. Step 4: Simplify right side
    5,573.92x = 33,180,642.25
  5. Step 5: Solve for x
    x = 33,180,642.25/5,573.92
  6. Step 6: Final answer
    x = 5,952.84

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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.