Home / 7,342.86-10,133.15-3,985.67

Finding the Fourth Proportional to 7,342.86, 10,133.15 and 3,985.67

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Solution

The fourth proportional to 7,342.86, 10,133.15 and 3,985.67 is: 5,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.86 : 10,133.15 = 3,985.67 : x
  2. Step 2: Convert to fraction form
    7,342.86/10,133.15 = 3,985.67/x
  3. Step 3: Cross multiply
    7,342.86x = 10,133.15 × 3,985.67
  4. Step 4: Simplify right side
    7,342.86x = 40,387,391.96
  5. Step 5: Solve for x
    x = 40,387,391.96/7,342.86
  6. Step 6: Final answer
    x = 5,500.23

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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.