Home / 5,226.42-7,840.65-1,528.71

Finding the Fourth Proportional to 5,226.42, 7,840.65 and 1,528.71

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Solution

The fourth proportional to 5,226.42, 7,840.65 and 1,528.71 is: 2,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.42 : 7,840.65 = 1,528.71 : x
  2. Step 2: Convert to fraction form
    5,226.42/7,840.65 = 1,528.71/x
  3. Step 3: Cross multiply
    5,226.42x = 7,840.65 × 1,528.71
  4. Step 4: Simplify right side
    5,226.42x = 11,986,080.06
  5. Step 5: Solve for x
    x = 11,986,080.06/5,226.42
  6. Step 6: Final answer
    x = 2,293.36

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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.