Home / 4,997.90-7,492.05-3,886.70

Finding the Fourth Proportional to 4,997.90, 7,492.05 and 3,886.70

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Solution

The fourth proportional to 4,997.90, 7,492.05 and 3,886.70 is: 5,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.90 : 7,492.05 = 3,886.70 : x
  2. Step 2: Convert to fraction form
    4,997.90/7,492.05 = 3,886.70/x
  3. Step 3: Cross multiply
    4,997.90x = 7,492.05 × 3,886.70
  4. Step 4: Simplify right side
    4,997.90x = 29,119,350.74
  5. Step 5: Solve for x
    x = 29,119,350.74/4,997.90
  6. Step 6: Final answer
    x = 5,826.32

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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.