Home / 9,289.10-12,817.01-5,511.74

Finding the Fourth Proportional to 9,289.10, 12,817.01 and 5,511.74

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Solution

The fourth proportional to 9,289.10, 12,817.01 and 5,511.74 is: 7,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.10 : 12,817.01 = 5,511.74 : x
  2. Step 2: Convert to fraction form
    9,289.10/12,817.01 = 5,511.74/x
  3. Step 3: Cross multiply
    9,289.10x = 12,817.01 × 5,511.74
  4. Step 4: Simplify right side
    9,289.10x = 70,643,935.05
  5. Step 5: Solve for x
    x = 70,643,935.05/9,289.10
  6. Step 6: Final answer
    x = 7,605.04

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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.