Home / 7,865.24-10,853.87-4,280.14

Finding the Fourth Proportional to 7,865.24, 10,853.87 and 4,280.14

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Solution

The fourth proportional to 7,865.24, 10,853.87 and 4,280.14 is: 5,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.24 : 10,853.87 = 4,280.14 : x
  2. Step 2: Convert to fraction form
    7,865.24/10,853.87 = 4,280.14/x
  3. Step 3: Cross multiply
    7,865.24x = 10,853.87 × 4,280.14
  4. Step 4: Simplify right side
    7,865.24x = 46,456,046.37
  5. Step 5: Solve for x
    x = 46,456,046.37/7,865.24
  6. Step 6: Final answer
    x = 5,906.50

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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.