Home / 7,909.20-10,914.63-4,372.35

Finding the Fourth Proportional to 7,909.20, 10,914.63 and 4,372.35

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Solution

The fourth proportional to 7,909.20, 10,914.63 and 4,372.35 is: 6,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.20 : 10,914.63 = 4,372.35 : x
  2. Step 2: Convert to fraction form
    7,909.20/10,914.63 = 4,372.35/x
  3. Step 3: Cross multiply
    7,909.20x = 10,914.63 × 4,372.35
  4. Step 4: Simplify right side
    7,909.20x = 47,722,582.48
  5. Step 5: Solve for x
    x = 47,722,582.48/7,909.20
  6. Step 6: Final answer
    x = 6,033.81

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1.5x scale

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.