Home / 6,213.79-8,575.64-4,639.15

Finding the Fourth Proportional to 6,213.79, 8,575.64 and 4,639.15

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Solution

The fourth proportional to 6,213.79, 8,575.64 and 4,639.15 is: 6,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.79 : 8,575.64 = 4,639.15 : x
  2. Step 2: Convert to fraction form
    6,213.79/8,575.64 = 4,639.15/x
  3. Step 3: Cross multiply
    6,213.79x = 8,575.64 × 4,639.15
  4. Step 4: Simplify right side
    6,213.79x = 39,783,680.31
  5. Step 5: Solve for x
    x = 39,783,680.31/6,213.79
  6. Step 6: Final answer
    x = 6,402.48

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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.