Home / 4,901.30-7,339.80-3,929.30

Finding the Fourth Proportional to 4,901.30, 7,339.80 and 3,929.30

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Solution

The fourth proportional to 4,901.30, 7,339.80 and 3,929.30 is: 5,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.30 : 7,339.80 = 3,929.30 : x
  2. Step 2: Convert to fraction form
    4,901.30/7,339.80 = 3,929.30/x
  3. Step 3: Cross multiply
    4,901.30x = 7,339.80 × 3,929.30
  4. Step 4: Simplify right side
    4,901.30x = 28,840,276.14
  5. Step 5: Solve for x
    x = 28,840,276.14/4,901.30
  6. Step 6: Final answer
    x = 5,884.21

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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.