Home / 4,712.85-6,503.63-2,616.98

Finding the Fourth Proportional to 4,712.85, 6,503.63 and 2,616.98

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Solution

The fourth proportional to 4,712.85, 6,503.63 and 2,616.98 is: 3,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.85 : 6,503.63 = 2,616.98 : x
  2. Step 2: Convert to fraction form
    4,712.85/6,503.63 = 2,616.98/x
  3. Step 3: Cross multiply
    4,712.85x = 6,503.63 × 2,616.98
  4. Step 4: Simplify right side
    4,712.85x = 17,019,824.03
  5. Step 5: Solve for x
    x = 17,019,824.03/4,712.85
  6. Step 6: Final answer
    x = 3,611.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.