Home / 8,294.77-12,448.18-6,220.36

Finding the Fourth Proportional to 8,294.77, 12,448.18 and 6,220.36

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Solution

The fourth proportional to 8,294.77, 12,448.18 and 6,220.36 is: 9,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.77 : 12,448.18 = 6,220.36 : x
  2. Step 2: Convert to fraction form
    8,294.77/12,448.18 = 6,220.36/x
  3. Step 3: Cross multiply
    8,294.77x = 12,448.18 × 6,220.36
  4. Step 4: Simplify right side
    8,294.77x = 77,432,184.28
  5. Step 5: Solve for x
    x = 77,432,184.28/8,294.77
  6. Step 6: Final answer
    x = 9,335.06

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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.