Home / 9,211.31-13,807.67-5,261.26

Finding the Fourth Proportional to 9,211.31, 13,807.67 and 5,261.26

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Solution

The fourth proportional to 9,211.31, 13,807.67 and 5,261.26 is: 7,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.31 : 13,807.67 = 5,261.26 : x
  2. Step 2: Convert to fraction form
    9,211.31/13,807.67 = 5,261.26/x
  3. Step 3: Cross multiply
    9,211.31x = 13,807.67 × 5,261.26
  4. Step 4: Simplify right side
    9,211.31x = 72,645,741.86
  5. Step 5: Solve for x
    x = 72,645,741.86/9,211.31
  6. Step 6: Final answer
    x = 7,886.58

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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.