Home / 7,621.48-11,434.27-3,177.67

Finding the Fourth Proportional to 7,621.48, 11,434.27 and 3,177.67

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Solution

The fourth proportional to 7,621.48, 11,434.27 and 3,177.67 is: 4,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.48 : 11,434.27 = 3,177.67 : x
  2. Step 2: Convert to fraction form
    7,621.48/11,434.27 = 3,177.67/x
  3. Step 3: Cross multiply
    7,621.48x = 11,434.27 × 3,177.67
  4. Step 4: Simplify right side
    7,621.48x = 36,334,362.96
  5. Step 5: Solve for x
    x = 36,334,362.96/7,621.48
  6. Step 6: Final answer
    x = 4,767.36

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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.