Home / 7,190.16-10,783.61-2,805.36

Finding the Fourth Proportional to 7,190.16, 10,783.61 and 2,805.36

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Solution

The fourth proportional to 7,190.16, 10,783.61 and 2,805.36 is: 4,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.16 : 10,783.61 = 2,805.36 : x
  2. Step 2: Convert to fraction form
    7,190.16/10,783.61 = 2,805.36/x
  3. Step 3: Cross multiply
    7,190.16x = 10,783.61 × 2,805.36
  4. Step 4: Simplify right side
    7,190.16x = 30,251,854.23
  5. Step 5: Solve for x
    x = 30,251,854.23/7,190.16
  6. Step 6: Final answer
    x = 4,207.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.