Home / 4,900.10-7,351.41-2,126.13

Finding the Fourth Proportional to 4,900.10, 7,351.41 and 2,126.13

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Solution

The fourth proportional to 4,900.10, 7,351.41 and 2,126.13 is: 3,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.10 : 7,351.41 = 2,126.13 : x
  2. Step 2: Convert to fraction form
    4,900.10/7,351.41 = 2,126.13/x
  3. Step 3: Cross multiply
    4,900.10x = 7,351.41 × 2,126.13
  4. Step 4: Simplify right side
    4,900.10x = 15,630,053.34
  5. Step 5: Solve for x
    x = 15,630,053.34/4,900.10
  6. Step 6: Final answer
    x = 3,189.74

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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.