Home / 5,621.40-8,434.98-2,503.44

Finding the Fourth Proportional to 5,621.40, 8,434.98 and 2,503.44

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Solution

The fourth proportional to 5,621.40, 8,434.98 and 2,503.44 is: 3,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.40 : 8,434.98 = 2,503.44 : x
  2. Step 2: Convert to fraction form
    5,621.40/8,434.98 = 2,503.44/x
  3. Step 3: Cross multiply
    5,621.40x = 8,434.98 × 2,503.44
  4. Step 4: Simplify right side
    5,621.40x = 21,116,466.33
  5. Step 5: Solve for x
    x = 21,116,466.33/5,621.40
  6. Step 6: Final answer
    x = 3,756.44

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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.