Home / 8,173.08-11,275.10-4,814.28

Finding the Fourth Proportional to 8,173.08, 11,275.10 and 4,814.28

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Solution

The fourth proportional to 8,173.08, 11,275.10 and 4,814.28 is: 6,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.08 : 11,275.10 = 4,814.28 : x
  2. Step 2: Convert to fraction form
    8,173.08/11,275.10 = 4,814.28/x
  3. Step 3: Cross multiply
    8,173.08x = 11,275.10 × 4,814.28
  4. Step 4: Simplify right side
    8,173.08x = 54,281,464.36
  5. Step 5: Solve for x
    x = 54,281,464.36/8,173.08
  6. Step 6: Final answer
    x = 6,641.49

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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.