Home / 7,845.29-10,836.08-5,864.64

Finding the Fourth Proportional to 7,845.29, 10,836.08 and 5,864.64

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Solution

The fourth proportional to 7,845.29, 10,836.08 and 5,864.64 is: 8,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.29 : 10,836.08 = 5,864.64 : x
  2. Step 2: Convert to fraction form
    7,845.29/10,836.08 = 5,864.64/x
  3. Step 3: Cross multiply
    7,845.29x = 10,836.08 × 5,864.64
  4. Step 4: Simplify right side
    7,845.29x = 63,549,660.25
  5. Step 5: Solve for x
    x = 63,549,660.25/7,845.29
  6. Step 6: Final answer
    x = 8,100.36

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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.