Home / 9,113.31-13,670.78-2,539.62

Finding the Fourth Proportional to 9,113.31, 13,670.78 and 2,539.62

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Solution

The fourth proportional to 9,113.31, 13,670.78 and 2,539.62 is: 3,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.31 : 13,670.78 = 2,539.62 : x
  2. Step 2: Convert to fraction form
    9,113.31/13,670.78 = 2,539.62/x
  3. Step 3: Cross multiply
    9,113.31x = 13,670.78 × 2,539.62
  4. Step 4: Simplify right side
    9,113.31x = 34,718,573.61
  5. Step 5: Solve for x
    x = 34,718,573.61/9,113.31
  6. Step 6: Final answer
    x = 3,809.66

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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.