Home / 8,566.55-11,821.80-4,789.70

Finding the Fourth Proportional to 8,566.55, 11,821.80 and 4,789.70

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Solution

The fourth proportional to 8,566.55, 11,821.80 and 4,789.70 is: 6,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.55 : 11,821.80 = 4,789.70 : x
  2. Step 2: Convert to fraction form
    8,566.55/11,821.80 = 4,789.70/x
  3. Step 3: Cross multiply
    8,566.55x = 11,821.80 × 4,789.70
  4. Step 4: Simplify right side
    8,566.55x = 56,622,899.37
  5. Step 5: Solve for x
    x = 56,622,899.37/8,566.55
  6. Step 6: Final answer
    x = 6,609.77

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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.