Home / 5,261.10-7,891.34-1,973.92

Finding the Fourth Proportional to 5,261.10, 7,891.34 and 1,973.92

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Solution

The fourth proportional to 5,261.10, 7,891.34 and 1,973.92 is: 2,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.10 : 7,891.34 = 1,973.92 : x
  2. Step 2: Convert to fraction form
    5,261.10/7,891.34 = 1,973.92/x
  3. Step 3: Cross multiply
    5,261.10x = 7,891.34 × 1,973.92
  4. Step 4: Simplify right side
    5,261.10x = 15,576,834.40
  5. Step 5: Solve for x
    x = 15,576,834.40/5,261.10
  6. Step 6: Final answer
    x = 2,960.76

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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.