Home / 6,801.64-9,386.28-3,970.96

Finding the Fourth Proportional to 6,801.64, 9,386.28 and 3,970.96

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Solution

The fourth proportional to 6,801.64, 9,386.28 and 3,970.96 is: 5,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,801.64 : 9,386.28 = 3,970.96 : x
  2. Step 2: Convert to fraction form
    6,801.64/9,386.28 = 3,970.96/x
  3. Step 3: Cross multiply
    6,801.64x = 9,386.28 × 3,970.96
  4. Step 4: Simplify right side
    6,801.64x = 37,272,542.43
  5. Step 5: Solve for x
    x = 37,272,542.43/6,801.64
  6. Step 6: Final answer
    x = 5,479.93

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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.