Home / 4,800.16-7,200.30-1,337.68

Finding the Fourth Proportional to 4,800.16, 7,200.30 and 1,337.68

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Solution

The fourth proportional to 4,800.16, 7,200.30 and 1,337.68 is: 2,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.16 : 7,200.30 = 1,337.68 : x
  2. Step 2: Convert to fraction form
    4,800.16/7,200.30 = 1,337.68/x
  3. Step 3: Cross multiply
    4,800.16x = 7,200.30 × 1,337.68
  4. Step 4: Simplify right side
    4,800.16x = 9,631,697.30
  5. Step 5: Solve for x
    x = 9,631,697.30/4,800.16
  6. Step 6: Final answer
    x = 2,006.54

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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.