Home / 8,164.32-11,267.40-4,628.16

Finding the Fourth Proportional to 8,164.32, 11,267.40 and 4,628.16

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Solution

The fourth proportional to 8,164.32, 11,267.40 and 4,628.16 is: 6,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.32 : 11,267.40 = 4,628.16 : x
  2. Step 2: Convert to fraction form
    8,164.32/11,267.40 = 4,628.16/x
  3. Step 3: Cross multiply
    8,164.32x = 11,267.40 × 4,628.16
  4. Step 4: Simplify right side
    8,164.32x = 52,147,329.98
  5. Step 5: Solve for x
    x = 52,147,329.98/8,164.32
  6. Step 6: Final answer
    x = 6,387.22

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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.