Home / 4,320.95-6,482.94-1,399.25

Finding the Fourth Proportional to 4,320.95, 6,482.94 and 1,399.25

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Solution

The fourth proportional to 4,320.95, 6,482.94 and 1,399.25 is: 2,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.95 : 6,482.94 = 1,399.25 : x
  2. Step 2: Convert to fraction form
    4,320.95/6,482.94 = 1,399.25/x
  3. Step 3: Cross multiply
    4,320.95x = 6,482.94 × 1,399.25
  4. Step 4: Simplify right side
    4,320.95x = 9,071,221.38
  5. Step 5: Solve for x
    x = 9,071,221.38/4,320.95
  6. Step 6: Final answer
    x = 2,099.36

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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.