Home / 6,909.74-10,355.93-2,956.35

Finding the Fourth Proportional to 6,909.74, 10,355.93 and 2,956.35

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Solution

The fourth proportional to 6,909.74, 10,355.93 and 2,956.35 is: 4,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.74 : 10,355.93 = 2,956.35 : x
  2. Step 2: Convert to fraction form
    6,909.74/10,355.93 = 2,956.35/x
  3. Step 3: Cross multiply
    6,909.74x = 10,355.93 × 2,956.35
  4. Step 4: Simplify right side
    6,909.74x = 30,615,753.66
  5. Step 5: Solve for x
    x = 30,615,753.66/6,909.74
  6. Step 6: Final answer
    x = 4,430.81

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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.