Home / 7,045.32-9,722.65-3,858.56

Finding the Fourth Proportional to 7,045.32, 9,722.65 and 3,858.56

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Solution

The fourth proportional to 7,045.32, 9,722.65 and 3,858.56 is: 5,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.32 : 9,722.65 = 3,858.56 : x
  2. Step 2: Convert to fraction form
    7,045.32/9,722.65 = 3,858.56/x
  3. Step 3: Cross multiply
    7,045.32x = 9,722.65 × 3,858.56
  4. Step 4: Simplify right side
    7,045.32x = 37,515,363.36
  5. Step 5: Solve for x
    x = 37,515,363.36/7,045.32
  6. Step 6: Final answer
    x = 5,324.87

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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.