Home / 7,861.20-10,848.37-4,324.46

Finding the Fourth Proportional to 7,861.20, 10,848.37 and 4,324.46

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Solution

The fourth proportional to 7,861.20, 10,848.37 and 4,324.46 is: 5,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.20 : 10,848.37 = 4,324.46 : x
  2. Step 2: Convert to fraction form
    7,861.20/10,848.37 = 4,324.46/x
  3. Step 3: Cross multiply
    7,861.20x = 10,848.37 × 4,324.46
  4. Step 4: Simplify right side
    7,861.20x = 46,913,342.13
  5. Step 5: Solve for x
    x = 46,913,342.13/7,861.20
  6. Step 6: Final answer
    x = 5,967.71

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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.