Home / 5,655.47-7,814.70-4,399.79

Finding the Fourth Proportional to 5,655.47, 7,814.70 and 4,399.79

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Solution

The fourth proportional to 5,655.47, 7,814.70 and 4,399.79 is: 6,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.47 : 7,814.70 = 4,399.79 : x
  2. Step 2: Convert to fraction form
    5,655.47/7,814.70 = 4,399.79/x
  3. Step 3: Cross multiply
    5,655.47x = 7,814.70 × 4,399.79
  4. Step 4: Simplify right side
    5,655.47x = 34,382,999.84
  5. Step 5: Solve for x
    x = 34,382,999.84/5,655.47
  6. Step 6: Final answer
    x = 6,079.61

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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.