Home / 8,357.08-11,535.66-4,821.70

Finding the Fourth Proportional to 8,357.08, 11,535.66 and 4,821.70

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Solution

The fourth proportional to 8,357.08, 11,535.66 and 4,821.70 is: 6,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.08 : 11,535.66 = 4,821.70 : x
  2. Step 2: Convert to fraction form
    8,357.08/11,535.66 = 4,821.70/x
  3. Step 3: Cross multiply
    8,357.08x = 11,535.66 × 4,821.70
  4. Step 4: Simplify right side
    8,357.08x = 55,621,491.82
  5. Step 5: Solve for x
    x = 55,621,491.82/8,357.08
  6. Step 6: Final answer
    x = 6,655.61

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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.