Home / 6,390.25-8,818.55-3,595.81

Finding the Fourth Proportional to 6,390.25, 8,818.55 and 3,595.81

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Solution

The fourth proportional to 6,390.25, 8,818.55 and 3,595.81 is: 4,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.25 : 8,818.55 = 3,595.81 : x
  2. Step 2: Convert to fraction form
    6,390.25/8,818.55 = 3,595.81/x
  3. Step 3: Cross multiply
    6,390.25x = 8,818.55 × 3,595.81
  4. Step 4: Simplify right side
    6,390.25x = 31,709,812.30
  5. Step 5: Solve for x
    x = 31,709,812.30/6,390.25
  6. Step 6: Final answer
    x = 4,962.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.