Home / 5,555.36-7,655.64-4,226.96

Finding the Fourth Proportional to 5,555.36, 7,655.64 and 4,226.96

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Solution

The fourth proportional to 5,555.36, 7,655.64 and 4,226.96 is: 5,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.36 : 7,655.64 = 4,226.96 : x
  2. Step 2: Convert to fraction form
    5,555.36/7,655.64 = 4,226.96/x
  3. Step 3: Cross multiply
    5,555.36x = 7,655.64 × 4,226.96
  4. Step 4: Simplify right side
    5,555.36x = 32,360,084.05
  5. Step 5: Solve for x
    x = 32,360,084.05/5,555.36
  6. Step 6: Final answer
    x = 5,825.02

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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.