Home / 7,713.15-10,644.14-4,176.36

Finding the Fourth Proportional to 7,713.15, 10,644.14 and 4,176.36

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Solution

The fourth proportional to 7,713.15, 10,644.14 and 4,176.36 is: 5,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.15 : 10,644.14 = 4,176.36 : x
  2. Step 2: Convert to fraction form
    7,713.15/10,644.14 = 4,176.36/x
  3. Step 3: Cross multiply
    7,713.15x = 10,644.14 × 4,176.36
  4. Step 4: Simplify right side
    7,713.15x = 44,453,739.65
  5. Step 5: Solve for x
    x = 44,453,739.65/7,713.15
  6. Step 6: Final answer
    x = 5,763.37

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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.