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Finding the Fourth Proportional to 7,952.30, 10,973.73 and 4,415.30

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Solution

The fourth proportional to 7,952.30, 10,973.73 and 4,415.30 is: 6,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.30 : 10,973.73 = 4,415.30 : x
  2. Step 2: Convert to fraction form
    7,952.30/10,973.73 = 4,415.30/x
  3. Step 3: Cross multiply
    7,952.30x = 10,973.73 × 4,415.30
  4. Step 4: Simplify right side
    7,952.30x = 48,452,310.07
  5. Step 5: Solve for x
    x = 48,452,310.07/7,952.30
  6. Step 6: Final answer
    x = 6,092.87

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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.