Home / 8,938.02-12,324.38-6,107.07

Finding the Fourth Proportional to 8,938.02, 12,324.38 and 6,107.07

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Solution

The fourth proportional to 8,938.02, 12,324.38 and 6,107.07 is: 8,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.02 : 12,324.38 = 6,107.07 : x
  2. Step 2: Convert to fraction form
    8,938.02/12,324.38 = 6,107.07/x
  3. Step 3: Cross multiply
    8,938.02x = 12,324.38 × 6,107.07
  4. Step 4: Simplify right side
    8,938.02x = 75,265,820.83
  5. Step 5: Solve for x
    x = 75,265,820.83/8,938.02
  6. Step 6: Final answer
    x = 8,420.86

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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.