Home / 6,479.64-9,711.32-3,518.04

Finding the Fourth Proportional to 6,479.64, 9,711.32 and 3,518.04

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Solution

The fourth proportional to 6,479.64, 9,711.32 and 3,518.04 is: 5,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.64 : 9,711.32 = 3,518.04 : x
  2. Step 2: Convert to fraction form
    6,479.64/9,711.32 = 3,518.04/x
  3. Step 3: Cross multiply
    6,479.64x = 9,711.32 × 3,518.04
  4. Step 4: Simplify right side
    6,479.64x = 34,164,812.21
  5. Step 5: Solve for x
    x = 34,164,812.21/6,479.64
  6. Step 6: Final answer
    x = 5,272.64

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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.