Home / 9,126.75-13,688.55-2,551.17

Finding the Fourth Proportional to 9,126.75, 13,688.55 and 2,551.17

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Solution

The fourth proportional to 9,126.75, 13,688.55 and 2,551.17 is: 3,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.75 : 13,688.55 = 2,551.17 : x
  2. Step 2: Convert to fraction form
    9,126.75/13,688.55 = 2,551.17/x
  3. Step 3: Cross multiply
    9,126.75x = 13,688.55 × 2,551.17
  4. Step 4: Simplify right side
    9,126.75x = 34,921,818.10
  5. Step 5: Solve for x
    x = 34,921,818.10/9,126.75
  6. Step 6: Final answer
    x = 3,826.31

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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.