Home / 5,184.56-7,154.45-2,915.77

Finding the Fourth Proportional to 5,184.56, 7,154.45 and 2,915.77

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Solution

The fourth proportional to 5,184.56, 7,154.45 and 2,915.77 is: 4,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.56 : 7,154.45 = 2,915.77 : x
  2. Step 2: Convert to fraction form
    5,184.56/7,154.45 = 2,915.77/x
  3. Step 3: Cross multiply
    5,184.56x = 7,154.45 × 2,915.77
  4. Step 4: Simplify right side
    5,184.56x = 20,860,750.88
  5. Step 5: Solve for x
    x = 20,860,750.88/5,184.56
  6. Step 6: Final answer
    x = 4,023.63

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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.