Home / 4,992.30-7,488.45-3,137.40

Finding the Fourth Proportional to 4,992.30, 7,488.45 and 3,137.40

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Solution

The fourth proportional to 4,992.30, 7,488.45 and 3,137.40 is: 4,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.30 : 7,488.45 = 3,137.40 : x
  2. Step 2: Convert to fraction form
    4,992.30/7,488.45 = 3,137.40/x
  3. Step 3: Cross multiply
    4,992.30x = 7,488.45 × 3,137.40
  4. Step 4: Simplify right side
    4,992.30x = 23,494,263.03
  5. Step 5: Solve for x
    x = 23,494,263.03/4,992.30
  6. Step 6: Final answer
    x = 4,706.10

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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.