Home / 5,154.10-7,110.98-2,915.76

Finding the Fourth Proportional to 5,154.10, 7,110.98 and 2,915.76

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Solution

The fourth proportional to 5,154.10, 7,110.98 and 2,915.76 is: 4,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.10 : 7,110.98 = 2,915.76 : x
  2. Step 2: Convert to fraction form
    5,154.10/7,110.98 = 2,915.76/x
  3. Step 3: Cross multiply
    5,154.10x = 7,110.98 × 2,915.76
  4. Step 4: Simplify right side
    5,154.10x = 20,733,911.04
  5. Step 5: Solve for x
    x = 20,733,911.04/5,154.10
  6. Step 6: Final answer
    x = 4,022.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.