Home / 5,305.56-7,955.59-2,808.10

Finding the Fourth Proportional to 5,305.56, 7,955.59 and 2,808.10

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Solution

The fourth proportional to 5,305.56, 7,955.59 and 2,808.10 is: 4,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.56 : 7,955.59 = 2,808.10 : x
  2. Step 2: Convert to fraction form
    5,305.56/7,955.59 = 2,808.10/x
  3. Step 3: Cross multiply
    5,305.56x = 7,955.59 × 2,808.10
  4. Step 4: Simplify right side
    5,305.56x = 22,340,092.28
  5. Step 5: Solve for x
    x = 22,340,092.28/5,305.56
  6. Step 6: Final answer
    x = 4,210.69

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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.