Home / 4,329.30-6,489.96-1,406.10

Finding the Fourth Proportional to 4,329.30, 6,489.96 and 1,406.10

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Solution

The fourth proportional to 4,329.30, 6,489.96 and 1,406.10 is: 2,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.30 : 6,489.96 = 1,406.10 : x
  2. Step 2: Convert to fraction form
    4,329.30/6,489.96 = 1,406.10/x
  3. Step 3: Cross multiply
    4,329.30x = 6,489.96 × 1,406.10
  4. Step 4: Simplify right side
    4,329.30x = 9,125,532.76
  5. Step 5: Solve for x
    x = 9,125,532.76/4,329.30
  6. Step 6: Final answer
    x = 2,107.85

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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.