Home / 7,622.50-11,437.38-6,637.12

Finding the Fourth Proportional to 7,622.50, 11,437.38 and 6,637.12

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Solution

The fourth proportional to 7,622.50, 11,437.38 and 6,637.12 is: 9,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.50 : 11,437.38 = 6,637.12 : x
  2. Step 2: Convert to fraction form
    7,622.50/11,437.38 = 6,637.12/x
  3. Step 3: Cross multiply
    7,622.50x = 11,437.38 × 6,637.12
  4. Step 4: Simplify right side
    7,622.50x = 75,911,263.55
  5. Step 5: Solve for x
    x = 75,911,263.55/7,622.50
  6. Step 6: Final answer
    x = 9,958.84

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1.5x scale

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.