Home / 9,289.49-12,815.62-6,300.59

Finding the Fourth Proportional to 9,289.49, 12,815.62 and 6,300.59

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Solution

The fourth proportional to 9,289.49, 12,815.62 and 6,300.59 is: 8,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.49 : 12,815.62 = 6,300.59 : x
  2. Step 2: Convert to fraction form
    9,289.49/12,815.62 = 6,300.59/x
  3. Step 3: Cross multiply
    9,289.49x = 12,815.62 × 6,300.59
  4. Step 4: Simplify right side
    9,289.49x = 80,745,887.39
  5. Step 5: Solve for x
    x = 80,745,887.39/9,289.49
  6. Step 6: Final answer
    x = 8,692.18

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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.