Home / 8,223.34-12,335.10-6,577.78

Finding the Fourth Proportional to 8,223.34, 12,335.10 and 6,577.78

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Solution

The fourth proportional to 8,223.34, 12,335.10 and 6,577.78 is: 9,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.34 : 12,335.10 = 6,577.78 : x
  2. Step 2: Convert to fraction form
    8,223.34/12,335.10 = 6,577.78/x
  3. Step 3: Cross multiply
    8,223.34x = 12,335.10 × 6,577.78
  4. Step 4: Simplify right side
    8,223.34x = 81,137,574.08
  5. Step 5: Solve for x
    x = 81,137,574.08/8,223.34
  6. Step 6: Final answer
    x = 9,866.74

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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.