Home / 6,989.22-9,648.15-4,996.32

Finding the Fourth Proportional to 6,989.22, 9,648.15 and 4,996.32

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Solution

The fourth proportional to 6,989.22, 9,648.15 and 4,996.32 is: 6,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.22 : 9,648.15 = 4,996.32 : x
  2. Step 2: Convert to fraction form
    6,989.22/9,648.15 = 4,996.32/x
  3. Step 3: Cross multiply
    6,989.22x = 9,648.15 × 4,996.32
  4. Step 4: Simplify right side
    6,989.22x = 48,205,244.81
  5. Step 5: Solve for x
    x = 48,205,244.81/6,989.22
  6. Step 6: Final answer
    x = 6,897.09

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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.