Home / 10,438.42-14,405.37-5,722.66

Finding the Fourth Proportional to 10,438.42, 14,405.37 and 5,722.66

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Solution

The fourth proportional to 10,438.42, 14,405.37 and 5,722.66 is: 7,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.42 : 14,405.37 = 5,722.66 : x
  2. Step 2: Convert to fraction form
    10,438.42/14,405.37 = 5,722.66/x
  3. Step 3: Cross multiply
    10,438.42x = 14,405.37 × 5,722.66
  4. Step 4: Simplify right side
    10,438.42x = 82,437,034.68
  5. Step 5: Solve for x
    x = 82,437,034.68/10,438.42
  6. Step 6: Final answer
    x = 7,897.46

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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.