Home / 7,276.69-10,915.04-3,580.66

Finding the Fourth Proportional to 7,276.69, 10,915.04 and 3,580.66

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Solution

The fourth proportional to 7,276.69, 10,915.04 and 3,580.66 is: 5,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.69 : 10,915.04 = 3,580.66 : x
  2. Step 2: Convert to fraction form
    7,276.69/10,915.04 = 3,580.66/x
  3. Step 3: Cross multiply
    7,276.69x = 10,915.04 × 3,580.66
  4. Step 4: Simplify right side
    7,276.69x = 39,083,047.13
  5. Step 5: Solve for x
    x = 39,083,047.13/7,276.69
  6. Step 6: Final answer
    x = 5,370.99

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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.