Home / 8,417.25-12,630.05-6,190.59

Finding the Fourth Proportional to 8,417.25, 12,630.05 and 6,190.59

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Solution

The fourth proportional to 8,417.25, 12,630.05 and 6,190.59 is: 9,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.25 : 12,630.05 = 6,190.59 : x
  2. Step 2: Convert to fraction form
    8,417.25/12,630.05 = 6,190.59/x
  3. Step 3: Cross multiply
    8,417.25x = 12,630.05 × 6,190.59
  4. Step 4: Simplify right side
    8,417.25x = 78,187,430.28
  5. Step 5: Solve for x
    x = 78,187,430.28/8,417.25
  6. Step 6: Final answer
    x = 9,288.95

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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.