Home / 6,187.10-8,538.75-3,535.35

Finding the Fourth Proportional to 6,187.10, 8,538.75 and 3,535.35

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Solution

The fourth proportional to 6,187.10, 8,538.75 and 3,535.35 is: 4,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.10 : 8,538.75 = 3,535.35 : x
  2. Step 2: Convert to fraction form
    6,187.10/8,538.75 = 3,535.35/x
  3. Step 3: Cross multiply
    6,187.10x = 8,538.75 × 3,535.35
  4. Step 4: Simplify right side
    6,187.10x = 30,187,469.81
  5. Step 5: Solve for x
    x = 30,187,469.81/6,187.10
  6. Step 6: Final answer
    x = 4,879.10

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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.