Home / 6,989.60-9,635.75-4,996.70

Finding the Fourth Proportional to 6,989.60, 9,635.75 and 4,996.70

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Solution

The fourth proportional to 6,989.60, 9,635.75 and 4,996.70 is: 6,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.60 : 9,635.75 = 4,996.70 : x
  2. Step 2: Convert to fraction form
    6,989.60/9,635.75 = 4,996.70/x
  3. Step 3: Cross multiply
    6,989.60x = 9,635.75 × 4,996.70
  4. Step 4: Simplify right side
    6,989.60x = 48,146,878.86
  5. Step 5: Solve for x
    x = 48,146,878.86/6,989.60
  6. Step 6: Final answer
    x = 6,888.36

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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.