Home / 10,310.04-15,465.62-2,915.08

Finding the Fourth Proportional to 10,310.04, 15,465.62 and 2,915.08

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Solution

The fourth proportional to 10,310.04, 15,465.62 and 2,915.08 is: 4,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.04 : 15,465.62 = 2,915.08 : x
  2. Step 2: Convert to fraction form
    10,310.04/15,465.62 = 2,915.08/x
  3. Step 3: Cross multiply
    10,310.04x = 15,465.62 × 2,915.08
  4. Step 4: Simplify right side
    10,310.04x = 45,083,519.55
  5. Step 5: Solve for x
    x = 45,083,519.55/10,310.04
  6. Step 6: Final answer
    x = 4,372.78

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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.