Home / 5,607.60-7,736.91-3,617.40

Finding the Fourth Proportional to 5,607.60, 7,736.91 and 3,617.40

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Solution

The fourth proportional to 5,607.60, 7,736.91 and 3,617.40 is: 4,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.60 : 7,736.91 = 3,617.40 : x
  2. Step 2: Convert to fraction form
    5,607.60/7,736.91 = 3,617.40/x
  3. Step 3: Cross multiply
    5,607.60x = 7,736.91 × 3,617.40
  4. Step 4: Simplify right side
    5,607.60x = 27,987,498.23
  5. Step 5: Solve for x
    x = 27,987,498.23/5,607.60
  6. Step 6: Final answer
    x = 4,990.99

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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.