Home / 7,342.94-10,133.17-3,985.88

Finding the Fourth Proportional to 7,342.94, 10,133.17 and 3,985.88

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Solution

The fourth proportional to 7,342.94, 10,133.17 and 3,985.88 is: 5,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.94 : 10,133.17 = 3,985.88 : x
  2. Step 2: Convert to fraction form
    7,342.94/10,133.17 = 3,985.88/x
  3. Step 3: Cross multiply
    7,342.94x = 10,133.17 × 3,985.88
  4. Step 4: Simplify right side
    7,342.94x = 40,389,539.01
  5. Step 5: Solve for x
    x = 40,389,539.01/7,342.94
  6. Step 6: Final answer
    x = 5,500.46

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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.