Home / 8,120.51-11,206.02-4,535.65

Finding the Fourth Proportional to 8,120.51, 11,206.02 and 4,535.65

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Solution

The fourth proportional to 8,120.51, 11,206.02 and 4,535.65 is: 6,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.51 : 11,206.02 = 4,535.65 : x
  2. Step 2: Convert to fraction form
    8,120.51/11,206.02 = 4,535.65/x
  3. Step 3: Cross multiply
    8,120.51x = 11,206.02 × 4,535.65
  4. Step 4: Simplify right side
    8,120.51x = 50,826,584.61
  5. Step 5: Solve for x
    x = 50,826,584.61/8,120.51
  6. Step 6: Final answer
    x = 6,259.04

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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.