Home / 7,621.41-11,433.53-3,461.71

Finding the Fourth Proportional to 7,621.41, 11,433.53 and 3,461.71

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Solution

The fourth proportional to 7,621.41, 11,433.53 and 3,461.71 is: 5,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.41 : 11,433.53 = 3,461.71 : x
  2. Step 2: Convert to fraction form
    7,621.41/11,433.53 = 3,461.71/x
  3. Step 3: Cross multiply
    7,621.41x = 11,433.53 × 3,461.71
  4. Step 4: Simplify right side
    7,621.41x = 39,579,565.14
  5. Step 5: Solve for x
    x = 39,579,565.14/7,621.41
  6. Step 6: Final answer
    x = 5,193.21

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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.