Home / 7,844.77-10,825.85-4,308.05

Finding the Fourth Proportional to 7,844.77, 10,825.85 and 4,308.05

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Solution

The fourth proportional to 7,844.77, 10,825.85 and 4,308.05 is: 5,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.77 : 10,825.85 = 4,308.05 : x
  2. Step 2: Convert to fraction form
    7,844.77/10,825.85 = 4,308.05/x
  3. Step 3: Cross multiply
    7,844.77x = 10,825.85 × 4,308.05
  4. Step 4: Simplify right side
    7,844.77x = 46,638,340.93
  5. Step 5: Solve for x
    x = 46,638,340.93/7,844.77
  6. Step 6: Final answer
    x = 5,945.15

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Half scale
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Double scale
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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.