Home / 5,772.39-8,660.65-1,876.81

Finding the Fourth Proportional to 5,772.39, 8,660.65 and 1,876.81

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Solution

The fourth proportional to 5,772.39, 8,660.65 and 1,876.81 is: 2,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.39 : 8,660.65 = 1,876.81 : x
  2. Step 2: Convert to fraction form
    5,772.39/8,660.65 = 1,876.81/x
  3. Step 3: Cross multiply
    5,772.39x = 8,660.65 × 1,876.81
  4. Step 4: Simplify right side
    5,772.39x = 16,254,394.53
  5. Step 5: Solve for x
    x = 16,254,394.53/5,772.39
  6. Step 6: Final answer
    x = 2,815.89

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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.