Home / 4,617.91-6,915.81-2,664.19

Finding the Fourth Proportional to 4,617.91, 6,915.81 and 2,664.19

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Solution

The fourth proportional to 4,617.91, 6,915.81 and 2,664.19 is: 3,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.91 : 6,915.81 = 2,664.19 : x
  2. Step 2: Convert to fraction form
    4,617.91/6,915.81 = 2,664.19/x
  3. Step 3: Cross multiply
    4,617.91x = 6,915.81 × 2,664.19
  4. Step 4: Simplify right side
    4,617.91x = 18,425,031.84
  5. Step 5: Solve for x
    x = 18,425,031.84/4,617.91
  6. Step 6: Final answer
    x = 3,989.91

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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.