Home / 7,343.10-10,133.18-3,985.80

Finding the Fourth Proportional to 7,343.10, 10,133.18 and 3,985.80

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Solution

The fourth proportional to 7,343.10, 10,133.18 and 3,985.80 is: 5,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.10 : 10,133.18 = 3,985.80 : x
  2. Step 2: Convert to fraction form
    7,343.10/10,133.18 = 3,985.80/x
  3. Step 3: Cross multiply
    7,343.10x = 10,133.18 × 3,985.80
  4. Step 4: Simplify right side
    7,343.10x = 40,388,828.84
  5. Step 5: Solve for x
    x = 40,388,828.84/7,343.10
  6. Step 6: Final answer
    x = 5,500.24

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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.