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Finding the Fourth Proportional to 6,287.90, 9,430.16 and 2,994.44

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Solution

The fourth proportional to 6,287.90, 9,430.16 and 2,994.44 is: 4,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.90 : 9,430.16 = 2,994.44 : x
  2. Step 2: Convert to fraction form
    6,287.90/9,430.16 = 2,994.44/x
  3. Step 3: Cross multiply
    6,287.90x = 9,430.16 × 2,994.44
  4. Step 4: Simplify right side
    6,287.90x = 28,237,986.19
  5. Step 5: Solve for x
    x = 28,237,986.19/6,287.90
  6. Step 6: Final answer
    x = 4,490.85

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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.