Home / 8,206.08-11,323.96-4,669.20

Finding the Fourth Proportional to 8,206.08, 11,323.96 and 4,669.20

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Solution

The fourth proportional to 8,206.08, 11,323.96 and 4,669.20 is: 6,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.08 : 11,323.96 = 4,669.20 : x
  2. Step 2: Convert to fraction form
    8,206.08/11,323.96 = 4,669.20/x
  3. Step 3: Cross multiply
    8,206.08x = 11,323.96 × 4,669.20
  4. Step 4: Simplify right side
    8,206.08x = 52,873,834.03
  5. Step 5: Solve for x
    x = 52,873,834.03/8,206.08
  6. Step 6: Final answer
    x = 6,443.25

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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.