Home / 8,258.02-11,395.29-6,689.86

Finding the Fourth Proportional to 8,258.02, 11,395.29 and 6,689.86

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Solution

The fourth proportional to 8,258.02, 11,395.29 and 6,689.86 is: 9,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.02 : 11,395.29 = 6,689.86 : x
  2. Step 2: Convert to fraction form
    8,258.02/11,395.29 = 6,689.86/x
  3. Step 3: Cross multiply
    8,258.02x = 11,395.29 × 6,689.86
  4. Step 4: Simplify right side
    8,258.02x = 76,232,894.76
  5. Step 5: Solve for x
    x = 76,232,894.76/8,258.02
  6. Step 6: Final answer
    x = 9,231.38

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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.