Home / 4,830.29-7,239.00-3,162.30

Finding the Fourth Proportional to 4,830.29, 7,239.00 and 3,162.30

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Solution

The fourth proportional to 4,830.29, 7,239.00 and 3,162.30 is: 4,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.29 : 7,239.00 = 3,162.30 : x
  2. Step 2: Convert to fraction form
    4,830.29/7,239.00 = 3,162.30/x
  3. Step 3: Cross multiply
    4,830.29x = 7,239.00 × 3,162.30
  4. Step 4: Simplify right side
    4,830.29x = 22,891,874.41
  5. Step 5: Solve for x
    x = 22,891,874.41/4,830.29
  6. Step 6: Final answer
    x = 4,739.24

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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.