Home / 7,846.43-10,827.20-4,490.15

Finding the Fourth Proportional to 7,846.43, 10,827.20 and 4,490.15

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Solution

The fourth proportional to 7,846.43, 10,827.20 and 4,490.15 is: 6,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.43 : 10,827.20 = 4,490.15 : x
  2. Step 2: Convert to fraction form
    7,846.43/10,827.20 = 4,490.15/x
  3. Step 3: Cross multiply
    7,846.43x = 10,827.20 × 4,490.15
  4. Step 4: Simplify right side
    7,846.43x = 48,615,709.17
  5. Step 5: Solve for x
    x = 48,615,709.17/7,846.43
  6. Step 6: Final answer
    x = 6,195.91

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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.