Home / 8,587.02-11,861.44-6,622.22

Finding the Fourth Proportional to 8,587.02, 11,861.44 and 6,622.22

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Solution

The fourth proportional to 8,587.02, 11,861.44 and 6,622.22 is: 9,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.02 : 11,861.44 = 6,622.22 : x
  2. Step 2: Convert to fraction form
    8,587.02/11,861.44 = 6,622.22/x
  3. Step 3: Cross multiply
    8,587.02x = 11,861.44 × 6,622.22
  4. Step 4: Simplify right side
    8,587.02x = 78,549,065.20
  5. Step 5: Solve for x
    x = 78,549,065.20/8,587.02
  6. Step 6: Final answer
    x = 9,147.42

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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.