Home / 6,664.32-9,197.28-3,870.24

Finding the Fourth Proportional to 6,664.32, 9,197.28 and 3,870.24

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Solution

The fourth proportional to 6,664.32, 9,197.28 and 3,870.24 is: 5,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.32 : 9,197.28 = 3,870.24 : x
  2. Step 2: Convert to fraction form
    6,664.32/9,197.28 = 3,870.24/x
  3. Step 3: Cross multiply
    6,664.32x = 9,197.28 × 3,870.24
  4. Step 4: Simplify right side
    6,664.32x = 35,595,680.95
  5. Step 5: Solve for x
    x = 35,595,680.95/6,664.32
  6. Step 6: Final answer
    x = 5,341.23

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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.