Home / 5,226.50-7,841.38-1,528.81

Finding the Fourth Proportional to 5,226.50, 7,841.38 and 1,528.81

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Solution

The fourth proportional to 5,226.50, 7,841.38 and 1,528.81 is: 2,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.50 : 7,841.38 = 1,528.81 : x
  2. Step 2: Convert to fraction form
    5,226.50/7,841.38 = 1,528.81/x
  3. Step 3: Cross multiply
    5,226.50x = 7,841.38 × 1,528.81
  4. Step 4: Simplify right side
    5,226.50x = 11,987,980.16
  5. Step 5: Solve for x
    x = 11,987,980.16/5,226.50
  6. Step 6: Final answer
    x = 2,293.69

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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.