Home / 4,315.18-6,473.78-1,393.38

Finding the Fourth Proportional to 4,315.18, 6,473.78 and 1,393.38

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Solution

The fourth proportional to 4,315.18, 6,473.78 and 1,393.38 is: 2,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.18 : 6,473.78 = 1,393.38 : x
  2. Step 2: Convert to fraction form
    4,315.18/6,473.78 = 1,393.38/x
  3. Step 3: Cross multiply
    4,315.18x = 6,473.78 × 1,393.38
  4. Step 4: Simplify right side
    4,315.18x = 9,020,435.58
  5. Step 5: Solve for x
    x = 9,020,435.58/4,315.18
  6. Step 6: Final answer
    x = 2,090.40

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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.