Home / 7,428.12-11,132.46-5,564.58

Finding the Fourth Proportional to 7,428.12, 11,132.46 and 5,564.58

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Solution

The fourth proportional to 7,428.12, 11,132.46 and 5,564.58 is: 8,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.12 : 11,132.46 = 5,564.58 : x
  2. Step 2: Convert to fraction form
    7,428.12/11,132.46 = 5,564.58/x
  3. Step 3: Cross multiply
    7,428.12x = 11,132.46 × 5,564.58
  4. Step 4: Simplify right side
    7,428.12x = 61,947,464.27
  5. Step 5: Solve for x
    x = 61,947,464.27/7,428.12
  6. Step 6: Final answer
    x = 8,339.59

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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.