Home / 8,562.18-11,815.32-4,785.30

Finding the Fourth Proportional to 8,562.18, 11,815.32 and 4,785.30

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Solution

The fourth proportional to 8,562.18, 11,815.32 and 4,785.30 is: 6,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.18 : 11,815.32 = 4,785.30 : x
  2. Step 2: Convert to fraction form
    8,562.18/11,815.32 = 4,785.30/x
  3. Step 3: Cross multiply
    8,562.18x = 11,815.32 × 4,785.30
  4. Step 4: Simplify right side
    8,562.18x = 56,539,850.80
  5. Step 5: Solve for x
    x = 56,539,850.80/8,562.18
  6. Step 6: Final answer
    x = 6,603.44

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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.