Home / 5,775.32-7,970.67-3,538.71

Finding the Fourth Proportional to 5,775.32, 7,970.67 and 3,538.71

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Solution

The fourth proportional to 5,775.32, 7,970.67 and 3,538.71 is: 4,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.32 : 7,970.67 = 3,538.71 : x
  2. Step 2: Convert to fraction form
    5,775.32/7,970.67 = 3,538.71/x
  3. Step 3: Cross multiply
    5,775.32x = 7,970.67 × 3,538.71
  4. Step 4: Simplify right side
    5,775.32x = 28,205,889.64
  5. Step 5: Solve for x
    x = 28,205,889.64/5,775.32
  6. Step 6: Final answer
    x = 4,883.86

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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.