Home / 8,561.93-11,815.35-4,785.44

Finding the Fourth Proportional to 8,561.93, 11,815.35 and 4,785.44

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Solution

The fourth proportional to 8,561.93, 11,815.35 and 4,785.44 is: 6,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561.93 : 11,815.35 = 4,785.44 : x
  2. Step 2: Convert to fraction form
    8,561.93/11,815.35 = 4,785.44/x
  3. Step 3: Cross multiply
    8,561.93x = 11,815.35 × 4,785.44
  4. Step 4: Simplify right side
    8,561.93x = 56,541,648.50
  5. Step 5: Solve for x
    x = 56,541,648.50/8,561.93
  6. Step 6: Final answer
    x = 6,603.84

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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.