Home / 6,915.78-10,373.67-2,235.60

Finding the Fourth Proportional to 6,915.78, 10,373.67 and 2,235.60

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Solution

The fourth proportional to 6,915.78, 10,373.67 and 2,235.60 is: 3,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.78 : 10,373.67 = 2,235.60 : x
  2. Step 2: Convert to fraction form
    6,915.78/10,373.67 = 2,235.60/x
  3. Step 3: Cross multiply
    6,915.78x = 10,373.67 × 2,235.60
  4. Step 4: Simplify right side
    6,915.78x = 23,191,376.65
  5. Step 5: Solve for x
    x = 23,191,376.65/6,915.78
  6. Step 6: Final answer
    x = 3,353.40

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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.