Home / 8,117.15-11,201.69-4,973.27

Finding the Fourth Proportional to 8,117.15, 11,201.69 and 4,973.27

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Solution

The fourth proportional to 8,117.15, 11,201.69 and 4,973.27 is: 6,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.15 : 11,201.69 = 4,973.27 : x
  2. Step 2: Convert to fraction form
    8,117.15/11,201.69 = 4,973.27/x
  3. Step 3: Cross multiply
    8,117.15x = 11,201.69 × 4,973.27
  4. Step 4: Simplify right side
    8,117.15x = 55,708,985.25
  5. Step 5: Solve for x
    x = 55,708,985.25/8,117.15
  6. Step 6: Final answer
    x = 6,863.13

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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.