Home / 7,760.26-10,709.06-4,223.40

Finding the Fourth Proportional to 7,760.26, 10,709.06 and 4,223.40

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Solution

The fourth proportional to 7,760.26, 10,709.06 and 4,223.40 is: 5,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.26 : 10,709.06 = 4,223.40 : x
  2. Step 2: Convert to fraction form
    7,760.26/10,709.06 = 4,223.40/x
  3. Step 3: Cross multiply
    7,760.26x = 10,709.06 × 4,223.40
  4. Step 4: Simplify right side
    7,760.26x = 45,228,644.00
  5. Step 5: Solve for x
    x = 45,228,644.00/7,760.26
  6. Step 6: Final answer
    x = 5,828.24

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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.