Home / 7,343.13-10,133.23-3,985.83

Finding the Fourth Proportional to 7,343.13, 10,133.23 and 3,985.83

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Solution

The fourth proportional to 7,343.13, 10,133.23 and 3,985.83 is: 5,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.13 : 10,133.23 = 3,985.83 : x
  2. Step 2: Convert to fraction form
    7,343.13/10,133.23 = 3,985.83/x
  3. Step 3: Cross multiply
    7,343.13x = 10,133.23 × 3,985.83
  4. Step 4: Simplify right side
    7,343.13x = 40,389,322.17
  5. Step 5: Solve for x
    x = 40,389,322.17/7,343.13
  6. Step 6: Final answer
    x = 5,500.29

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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.