Home / 7,970.58-11,954.46-3,587.28

Finding the Fourth Proportional to 7,970.58, 11,954.46 and 3,587.28

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Solution

The fourth proportional to 7,970.58, 11,954.46 and 3,587.28 is: 5,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.58 : 11,954.46 = 3,587.28 : x
  2. Step 2: Convert to fraction form
    7,970.58/11,954.46 = 3,587.28/x
  3. Step 3: Cross multiply
    7,970.58x = 11,954.46 × 3,587.28
  4. Step 4: Simplify right side
    7,970.58x = 42,883,995.27
  5. Step 5: Solve for x
    x = 42,883,995.27/7,970.58
  6. Step 6: Final answer
    x = 5,380.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.