Home / 4,901.91-7,357.01-2,130.79

Finding the Fourth Proportional to 4,901.91, 7,357.01 and 2,130.79

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Solution

The fourth proportional to 4,901.91, 7,357.01 and 2,130.79 is: 3,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.91 : 7,357.01 = 2,130.79 : x
  2. Step 2: Convert to fraction form
    4,901.91/7,357.01 = 2,130.79/x
  3. Step 3: Cross multiply
    4,901.91x = 7,357.01 × 2,130.79
  4. Step 4: Simplify right side
    4,901.91x = 15,676,243.34
  5. Step 5: Solve for x
    x = 15,676,243.34/4,901.91
  6. Step 6: Final answer
    x = 3,197.99

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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.