Home / 9,113.18-13,669.59-2,539.20

Finding the Fourth Proportional to 9,113.18, 13,669.59 and 2,539.20

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Solution

The fourth proportional to 9,113.18, 13,669.59 and 2,539.20 is: 3,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.18 : 13,669.59 = 2,539.20 : x
  2. Step 2: Convert to fraction form
    9,113.18/13,669.59 = 2,539.20/x
  3. Step 3: Cross multiply
    9,113.18x = 13,669.59 × 2,539.20
  4. Step 4: Simplify right side
    9,113.18x = 34,709,785.40
  5. Step 5: Solve for x
    x = 34,709,785.40/9,113.18
  6. Step 6: Final answer
    x = 3,808.74

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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.