Home / 7,528.40-11,299.40-3,833.20

Finding the Fourth Proportional to 7,528.40, 11,299.40 and 3,833.20

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Solution

The fourth proportional to 7,528.40, 11,299.40 and 3,833.20 is: 5,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.40 : 11,299.40 = 3,833.20 : x
  2. Step 2: Convert to fraction form
    7,528.40/11,299.40 = 3,833.20/x
  3. Step 3: Cross multiply
    7,528.40x = 11,299.40 × 3,833.20
  4. Step 4: Simplify right side
    7,528.40x = 43,312,860.08
  5. Step 5: Solve for x
    x = 43,312,860.08/7,528.40
  6. Step 6: Final answer
    x = 5,753.26

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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.