Home / 6,315.08-9,475.35-3,389.96

Finding the Fourth Proportional to 6,315.08, 9,475.35 and 3,389.96

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Solution

The fourth proportional to 6,315.08, 9,475.35 and 3,389.96 is: 5,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.08 : 9,475.35 = 3,389.96 : x
  2. Step 2: Convert to fraction form
    6,315.08/9,475.35 = 3,389.96/x
  3. Step 3: Cross multiply
    6,315.08x = 9,475.35 × 3,389.96
  4. Step 4: Simplify right side
    6,315.08x = 32,121,010.11
  5. Step 5: Solve for x
    x = 32,121,010.11/6,315.08
  6. Step 6: Final answer
    x = 5,086.40

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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.