Home / 4,781.21-6,599.45-3,190.16

Finding the Fourth Proportional to 4,781.21, 6,599.45 and 3,190.16

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Solution

The fourth proportional to 4,781.21, 6,599.45 and 3,190.16 is: 4,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.21 : 6,599.45 = 3,190.16 : x
  2. Step 2: Convert to fraction form
    4,781.21/6,599.45 = 3,190.16/x
  3. Step 3: Cross multiply
    4,781.21x = 6,599.45 × 3,190.16
  4. Step 4: Simplify right side
    4,781.21x = 21,053,325.89
  5. Step 5: Solve for x
    x = 21,053,325.89/4,781.21
  6. Step 6: Final answer
    x = 4,403.35

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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.