Home / 5,621.17-8,431.74-2,334.34

Finding the Fourth Proportional to 5,621.17, 8,431.74 and 2,334.34

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Solution

The fourth proportional to 5,621.17, 8,431.74 and 2,334.34 is: 3,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.17 : 8,431.74 = 2,334.34 : x
  2. Step 2: Convert to fraction form
    5,621.17/8,431.74 = 2,334.34/x
  3. Step 3: Cross multiply
    5,621.17x = 8,431.74 × 2,334.34
  4. Step 4: Simplify right side
    5,621.17x = 19,682,547.95
  5. Step 5: Solve for x
    x = 19,682,547.95/5,621.17
  6. Step 6: Final answer
    x = 3,501.50

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Similar ratio
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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.