Home / 6,915.12-10,365.36-5,063.46

Finding the Fourth Proportional to 6,915.12, 10,365.36 and 5,063.46

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Solution

The fourth proportional to 6,915.12, 10,365.36 and 5,063.46 is: 7,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.12 : 10,365.36 = 5,063.46 : x
  2. Step 2: Convert to fraction form
    6,915.12/10,365.36 = 5,063.46/x
  3. Step 3: Cross multiply
    6,915.12x = 10,365.36 × 5,063.46
  4. Step 4: Simplify right side
    6,915.12x = 52,484,585.75
  5. Step 5: Solve for x
    x = 52,484,585.75/6,915.12
  6. Step 6: Final answer
    x = 7,589.83

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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.