Home / 4,887.90-7,320.60-4,013.10

Finding the Fourth Proportional to 4,887.90, 7,320.60 and 4,013.10

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Solution

The fourth proportional to 4,887.90, 7,320.60 and 4,013.10 is: 6,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.90 : 7,320.60 = 4,013.10 : x
  2. Step 2: Convert to fraction form
    4,887.90/7,320.60 = 4,013.10/x
  3. Step 3: Cross multiply
    4,887.90x = 7,320.60 × 4,013.10
  4. Step 4: Simplify right side
    4,887.90x = 29,378,299.86
  5. Step 5: Solve for x
    x = 29,378,299.86/4,887.90
  6. Step 6: Final answer
    x = 6,010.41

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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.