Home / 8,164.02-11,271.76-6,272.22

Finding the Fourth Proportional to 8,164.02, 11,271.76 and 6,272.22

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Solution

The fourth proportional to 8,164.02, 11,271.76 and 6,272.22 is: 8,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.02 : 11,271.76 = 6,272.22 : x
  2. Step 2: Convert to fraction form
    8,164.02/11,271.76 = 6,272.22/x
  3. Step 3: Cross multiply
    8,164.02x = 11,271.76 × 6,272.22
  4. Step 4: Simplify right side
    8,164.02x = 70,698,958.51
  5. Step 5: Solve for x
    x = 70,698,958.51/8,164.02
  6. Step 6: Final answer
    x = 8,659.82

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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.