Home / 4,482.90-6,724.39-1,561.20

Finding the Fourth Proportional to 4,482.90, 6,724.39 and 1,561.20

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Solution

The fourth proportional to 4,482.90, 6,724.39 and 1,561.20 is: 2,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.90 : 6,724.39 = 1,561.20 : x
  2. Step 2: Convert to fraction form
    4,482.90/6,724.39 = 1,561.20/x
  3. Step 3: Cross multiply
    4,482.90x = 6,724.39 × 1,561.20
  4. Step 4: Simplify right side
    4,482.90x = 10,498,113.77
  5. Step 5: Solve for x
    x = 10,498,113.77/4,482.90
  6. Step 6: Final answer
    x = 2,341.81

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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.