Home / 6,864.48-10,291.32-3,164.40

Finding the Fourth Proportional to 6,864.48, 10,291.32 and 3,164.40

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Solution

The fourth proportional to 6,864.48, 10,291.32 and 3,164.40 is: 4,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.48 : 10,291.32 = 3,164.40 : x
  2. Step 2: Convert to fraction form
    6,864.48/10,291.32 = 3,164.40/x
  3. Step 3: Cross multiply
    6,864.48x = 10,291.32 × 3,164.40
  4. Step 4: Simplify right side
    6,864.48x = 32,565,853.01
  5. Step 5: Solve for x
    x = 32,565,853.01/6,864.48
  6. Step 6: Final answer
    x = 4,744.11

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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.