Home / 9,211.16-12,712.94-5,435.26

Finding the Fourth Proportional to 9,211.16, 12,712.94 and 5,435.26

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Solution

The fourth proportional to 9,211.16, 12,712.94 and 5,435.26 is: 7,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.16 : 12,712.94 = 5,435.26 : x
  2. Step 2: Convert to fraction form
    9,211.16/12,712.94 = 5,435.26/x
  3. Step 3: Cross multiply
    9,211.16x = 12,712.94 × 5,435.26
  4. Step 4: Simplify right side
    9,211.16x = 69,098,134.26
  5. Step 5: Solve for x
    x = 69,098,134.26/9,211.16
  6. Step 6: Final answer
    x = 7,501.57

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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.