Home / 7,578.18-11,365.47-2,896.47

Finding the Fourth Proportional to 7,578.18, 11,365.47 and 2,896.47

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Solution

The fourth proportional to 7,578.18, 11,365.47 and 2,896.47 is: 4,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.18 : 11,365.47 = 2,896.47 : x
  2. Step 2: Convert to fraction form
    7,578.18/11,365.47 = 2,896.47/x
  3. Step 3: Cross multiply
    7,578.18x = 11,365.47 × 2,896.47
  4. Step 4: Simplify right side
    7,578.18x = 32,919,742.89
  5. Step 5: Solve for x
    x = 32,919,742.89/7,578.18
  6. Step 6: Final answer
    x = 4,344.02

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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.