Home / 4,970.32-6,857.28-3,479.92

Finding the Fourth Proportional to 4,970.32, 6,857.28 and 3,479.92

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Solution

The fourth proportional to 4,970.32, 6,857.28 and 3,479.92 is: 4,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.32 : 6,857.28 = 3,479.92 : x
  2. Step 2: Convert to fraction form
    4,970.32/6,857.28 = 3,479.92/x
  3. Step 3: Cross multiply
    4,970.32x = 6,857.28 × 3,479.92
  4. Step 4: Simplify right side
    4,970.32x = 23,862,785.82
  5. Step 5: Solve for x
    x = 23,862,785.82/4,970.32
  6. Step 6: Final answer
    x = 4,801.06

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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.