Home / 4,980.03-7,472.57-3,130.83

Finding the Fourth Proportional to 4,980.03, 7,472.57 and 3,130.83

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Solution

The fourth proportional to 4,980.03, 7,472.57 and 3,130.83 is: 4,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.03 : 7,472.57 = 3,130.83 : x
  2. Step 2: Convert to fraction form
    4,980.03/7,472.57 = 3,130.83/x
  3. Step 3: Cross multiply
    4,980.03x = 7,472.57 × 3,130.83
  4. Step 4: Simplify right side
    4,980.03x = 23,395,330.68
  5. Step 5: Solve for x
    x = 23,395,330.68/4,980.03
  6. Step 6: Final answer
    x = 4,697.83

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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.