Home / 6,278.42-9,411.51-2,990.63

Finding the Fourth Proportional to 6,278.42, 9,411.51 and 2,990.63

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Solution

The fourth proportional to 6,278.42, 9,411.51 and 2,990.63 is: 4,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.42 : 9,411.51 = 2,990.63 : x
  2. Step 2: Convert to fraction form
    6,278.42/9,411.51 = 2,990.63/x
  3. Step 3: Cross multiply
    6,278.42x = 9,411.51 × 2,990.63
  4. Step 4: Simplify right side
    6,278.42x = 28,146,344.15
  5. Step 5: Solve for x
    x = 28,146,344.15/6,278.42
  6. Step 6: Final answer
    x = 4,483.03

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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.