Home / 4,931.45-7,398.29-1,644.67

Finding the Fourth Proportional to 4,931.45, 7,398.29 and 1,644.67

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Solution

The fourth proportional to 4,931.45, 7,398.29 and 1,644.67 is: 2,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.45 : 7,398.29 = 1,644.67 : x
  2. Step 2: Convert to fraction form
    4,931.45/7,398.29 = 1,644.67/x
  3. Step 3: Cross multiply
    4,931.45x = 7,398.29 × 1,644.67
  4. Step 4: Simplify right side
    4,931.45x = 12,167,749.72
  5. Step 5: Solve for x
    x = 12,167,749.72/4,931.45
  6. Step 6: Final answer
    x = 2,467.38

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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.