Home / 5,818.16-8,725-1,921.52

Finding the Fourth Proportional to 5,818.16, 8,725 and 1,921.52

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Solution

The fourth proportional to 5,818.16, 8,725 and 1,921.52 is: 2,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.16 : 8,725 = 1,921.52 : x
  2. Step 2: Convert to fraction form
    5,818.16/8,725 = 1,921.52/x
  3. Step 3: Cross multiply
    5,818.16x = 8,725 × 1,921.52
  4. Step 4: Simplify right side
    5,818.16x = 16,765,262
  5. Step 5: Solve for x
    x = 16,765,262/5,818.16
  6. Step 6: Final answer
    x = 2,881.54

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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.