Home / 6,440.50-9,657.20-1,996.93

Finding the Fourth Proportional to 6,440.50, 9,657.20 and 1,996.93

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Solution

The fourth proportional to 6,440.50, 9,657.20 and 1,996.93 is: 2,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.50 : 9,657.20 = 1,996.93 : x
  2. Step 2: Convert to fraction form
    6,440.50/9,657.20 = 1,996.93/x
  3. Step 3: Cross multiply
    6,440.50x = 9,657.20 × 1,996.93
  4. Step 4: Simplify right side
    6,440.50x = 19,284,752.40
  5. Step 5: Solve for x
    x = 19,284,752.40/6,440.50
  6. Step 6: Final answer
    x = 2,994.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.