Home / 8,107.50-11,189.97-4,570.77

Finding the Fourth Proportional to 8,107.50, 11,189.97 and 4,570.77

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Solution

The fourth proportional to 8,107.50, 11,189.97 and 4,570.77 is: 6,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.50 : 11,189.97 = 4,570.77 : x
  2. Step 2: Convert to fraction form
    8,107.50/11,189.97 = 4,570.77/x
  3. Step 3: Cross multiply
    8,107.50x = 11,189.97 × 4,570.77
  4. Step 4: Simplify right side
    8,107.50x = 51,146,779.18
  5. Step 5: Solve for x
    x = 51,146,779.18/8,107.50
  6. Step 6: Final answer
    x = 6,308.58

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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.