Home / 5,274.10-7,911.89-1,575.84

Finding the Fourth Proportional to 5,274.10, 7,911.89 and 1,575.84

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Solution

The fourth proportional to 5,274.10, 7,911.89 and 1,575.84 is: 2,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.10 : 7,911.89 = 1,575.84 : x
  2. Step 2: Convert to fraction form
    5,274.10/7,911.89 = 1,575.84/x
  3. Step 3: Cross multiply
    5,274.10x = 7,911.89 × 1,575.84
  4. Step 4: Simplify right side
    5,274.10x = 12,467,872.74
  5. Step 5: Solve for x
    x = 12,467,872.74/5,274.10
  6. Step 6: Final answer
    x = 2,363.98

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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.