Home / 5,226.39-7,840.29-1,528.89

Finding the Fourth Proportional to 5,226.39, 7,840.29 and 1,528.89

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Solution

The fourth proportional to 5,226.39, 7,840.29 and 1,528.89 is: 2,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.39 : 7,840.29 = 1,528.89 : x
  2. Step 2: Convert to fraction form
    5,226.39/7,840.29 = 1,528.89/x
  3. Step 3: Cross multiply
    5,226.39x = 7,840.29 × 1,528.89
  4. Step 4: Simplify right side
    5,226.39x = 11,986,940.98
  5. Step 5: Solve for x
    x = 11,986,940.98/5,226.39
  6. Step 6: Final answer
    x = 2,293.54

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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.