Home / 6,276.96-9,418.14-2,990.07

Finding the Fourth Proportional to 6,276.96, 9,418.14 and 2,990.07

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Solution

The fourth proportional to 6,276.96, 9,418.14 and 2,990.07 is: 4,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.96 : 9,418.14 = 2,990.07 : x
  2. Step 2: Convert to fraction form
    6,276.96/9,418.14 = 2,990.07/x
  3. Step 3: Cross multiply
    6,276.96x = 9,418.14 × 2,990.07
  4. Step 4: Simplify right side
    6,276.96x = 28,160,897.87
  5. Step 5: Solve for x
    x = 28,160,897.87/6,276.96
  6. Step 6: Final answer
    x = 4,486.39

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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.