Home / 5,363.62-8,045.85-1,855.30

Finding the Fourth Proportional to 5,363.62, 8,045.85 and 1,855.30

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Solution

The fourth proportional to 5,363.62, 8,045.85 and 1,855.30 is: 2,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.62 : 8,045.85 = 1,855.30 : x
  2. Step 2: Convert to fraction form
    5,363.62/8,045.85 = 1,855.30/x
  3. Step 3: Cross multiply
    5,363.62x = 8,045.85 × 1,855.30
  4. Step 4: Simplify right side
    5,363.62x = 14,927,465.51
  5. Step 5: Solve for x
    x = 14,927,465.51/5,363.62
  6. Step 6: Final answer
    x = 2,783.10

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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.