Home / 6,687.84-10,032.48-5,915.04

Finding the Fourth Proportional to 6,687.84, 10,032.48 and 5,915.04

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Solution

The fourth proportional to 6,687.84, 10,032.48 and 5,915.04 is: 8,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.84 : 10,032.48 = 5,915.04 : x
  2. Step 2: Convert to fraction form
    6,687.84/10,032.48 = 5,915.04/x
  3. Step 3: Cross multiply
    6,687.84x = 10,032.48 × 5,915.04
  4. Step 4: Simplify right side
    6,687.84x = 59,342,520.50
  5. Step 5: Solve for x
    x = 59,342,520.50/6,687.84
  6. Step 6: Final answer
    x = 8,873.20

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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.