Home / 8,290.35-11,455.25-6,625.50

Finding the Fourth Proportional to 8,290.35, 11,455.25 and 6,625.50

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Solution

The fourth proportional to 8,290.35, 11,455.25 and 6,625.50 is: 9,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.35 : 11,455.25 = 6,625.50 : x
  2. Step 2: Convert to fraction form
    8,290.35/11,455.25 = 6,625.50/x
  3. Step 3: Cross multiply
    8,290.35x = 11,455.25 × 6,625.50
  4. Step 4: Simplify right side
    8,290.35x = 75,896,701.42
  5. Step 5: Solve for x
    x = 75,896,701.42/8,290.35
  6. Step 6: Final answer
    x = 9,154.82

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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.