Home / 9,811.62-13,539.90-5,335.26

Finding the Fourth Proportional to 9,811.62, 13,539.90 and 5,335.26

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Solution

The fourth proportional to 9,811.62, 13,539.90 and 5,335.26 is: 7,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.62 : 13,539.90 = 5,335.26 : x
  2. Step 2: Convert to fraction form
    9,811.62/13,539.90 = 5,335.26/x
  3. Step 3: Cross multiply
    9,811.62x = 13,539.90 × 5,335.26
  4. Step 4: Simplify right side
    9,811.62x = 72,238,886.87
  5. Step 5: Solve for x
    x = 72,238,886.87/9,811.62
  6. Step 6: Final answer
    x = 7,362.59

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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.