Home / 9,099.29-12,557.22-5,120.41

Finding the Fourth Proportional to 9,099.29, 12,557.22 and 5,120.41

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Solution

The fourth proportional to 9,099.29, 12,557.22 and 5,120.41 is: 7,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.29 : 12,557.22 = 5,120.41 : x
  2. Step 2: Convert to fraction form
    9,099.29/12,557.22 = 5,120.41/x
  3. Step 3: Cross multiply
    9,099.29x = 12,557.22 × 5,120.41
  4. Step 4: Simplify right side
    9,099.29x = 64,298,083.47
  5. Step 5: Solve for x
    x = 64,298,083.47/9,099.29
  6. Step 6: Final answer
    x = 7,066.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.