Home / 9,137.60-13,706.88-2,898.28

Finding the Fourth Proportional to 9,137.60, 13,706.88 and 2,898.28

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Solution

The fourth proportional to 9,137.60, 13,706.88 and 2,898.28 is: 4,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.60 : 13,706.88 = 2,898.28 : x
  2. Step 2: Convert to fraction form
    9,137.60/13,706.88 = 2,898.28/x
  3. Step 3: Cross multiply
    9,137.60x = 13,706.88 × 2,898.28
  4. Step 4: Simplify right side
    9,137.60x = 39,726,376.17
  5. Step 5: Solve for x
    x = 39,726,376.17/9,137.60
  6. Step 6: Final answer
    x = 4,347.57

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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.