Home / 9,176-12,666.16-5,450

Finding the Fourth Proportional to 9,176, 12,666.16 and 5,450

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Solution

The fourth proportional to 9,176, 12,666.16 and 5,450 is: 7,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176 : 12,666.16 = 5,450 : x
  2. Step 2: Convert to fraction form
    9,176/12,666.16 = 5,450/x
  3. Step 3: Cross multiply
    9,176x = 12,666.16 × 5,450
  4. Step 4: Simplify right side
    9,176x = 69,030,572
  5. Step 5: Solve for x
    x = 69,030,572/9,176
  6. Step 6: Final answer
    x = 7,522.95

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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.