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Finding the Fourth Proportional to 6,292.59, 9,438.90 and 1,910.08

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Solution

The fourth proportional to 6,292.59, 9,438.90 and 1,910.08 is: 2,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.59 : 9,438.90 = 1,910.08 : x
  2. Step 2: Convert to fraction form
    6,292.59/9,438.90 = 1,910.08/x
  3. Step 3: Cross multiply
    6,292.59x = 9,438.90 × 1,910.08
  4. Step 4: Simplify right side
    6,292.59x = 18,029,058.75
  5. Step 5: Solve for x
    x = 18,029,058.75/6,292.59
  6. Step 6: Final answer
    x = 2,865.13

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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.