Home / 9,288.93-12,817.88-5,511.45

Finding the Fourth Proportional to 9,288.93, 12,817.88 and 5,511.45

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Solution

The fourth proportional to 9,288.93, 12,817.88 and 5,511.45 is: 7,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.93 : 12,817.88 = 5,511.45 : x
  2. Step 2: Convert to fraction form
    9,288.93/12,817.88 = 5,511.45/x
  3. Step 3: Cross multiply
    9,288.93x = 12,817.88 × 5,511.45
  4. Step 4: Simplify right side
    9,288.93x = 70,645,013.08
  5. Step 5: Solve for x
    x = 70,645,013.08/9,288.93
  6. Step 6: Final answer
    x = 7,605.29

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1.5x scale

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.