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Finding the Fourth Proportional to 7,552.98, 10,422.36 and 4,411

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Solution

The fourth proportional to 7,552.98, 10,422.36 and 4,411 is: 6,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.98 : 10,422.36 = 4,411 : x
  2. Step 2: Convert to fraction form
    7,552.98/10,422.36 = 4,411/x
  3. Step 3: Cross multiply
    7,552.98x = 10,422.36 × 4,411
  4. Step 4: Simplify right side
    7,552.98x = 45,973,029.96
  5. Step 5: Solve for x
    x = 45,973,029.96/7,552.98
  6. Step 6: Final answer
    x = 6,086.74

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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.