Home / 5,338.66-8,011.77-1,876.18

Finding the Fourth Proportional to 5,338.66, 8,011.77 and 1,876.18

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Solution

The fourth proportional to 5,338.66, 8,011.77 and 1,876.18 is: 2,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.66 : 8,011.77 = 1,876.18 : x
  2. Step 2: Convert to fraction form
    5,338.66/8,011.77 = 1,876.18/x
  3. Step 3: Cross multiply
    5,338.66x = 8,011.77 × 1,876.18
  4. Step 4: Simplify right side
    5,338.66x = 15,031,522.64
  5. Step 5: Solve for x
    x = 15,031,522.64/5,338.66
  6. Step 6: Final answer
    x = 2,815.60

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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.