Home / 6,266.22-8,649.32-3,615.40

Finding the Fourth Proportional to 6,266.22, 8,649.32 and 3,615.40

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Solution

The fourth proportional to 6,266.22, 8,649.32 and 3,615.40 is: 4,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.22 : 8,649.32 = 3,615.40 : x
  2. Step 2: Convert to fraction form
    6,266.22/8,649.32 = 3,615.40/x
  3. Step 3: Cross multiply
    6,266.22x = 8,649.32 × 3,615.40
  4. Step 4: Simplify right side
    6,266.22x = 31,270,751.53
  5. Step 5: Solve for x
    x = 31,270,751.53/6,266.22
  6. Step 6: Final answer
    x = 4,990.37

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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.