Home / 6,915.04-10,358.16-3,220.48

Finding the Fourth Proportional to 6,915.04, 10,358.16 and 3,220.48

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Solution

The fourth proportional to 6,915.04, 10,358.16 and 3,220.48 is: 4,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.04 : 10,358.16 = 3,220.48 : x
  2. Step 2: Convert to fraction form
    6,915.04/10,358.16 = 3,220.48/x
  3. Step 3: Cross multiply
    6,915.04x = 10,358.16 × 3,220.48
  4. Step 4: Simplify right side
    6,915.04x = 33,358,247.12
  5. Step 5: Solve for x
    x = 33,358,247.12/6,915.04
  6. Step 6: Final answer
    x = 4,824.01

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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.