Home / 4,319.04-6,479.64-1,397.64

Finding the Fourth Proportional to 4,319.04, 6,479.64 and 1,397.64

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Solution

The fourth proportional to 4,319.04, 6,479.64 and 1,397.64 is: 2,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.04 : 6,479.64 = 1,397.64 : x
  2. Step 2: Convert to fraction form
    4,319.04/6,479.64 = 1,397.64/x
  3. Step 3: Cross multiply
    4,319.04x = 6,479.64 × 1,397.64
  4. Step 4: Simplify right side
    4,319.04x = 9,056,204.05
  5. Step 5: Solve for x
    x = 9,056,204.05/4,319.04
  6. Step 6: Final answer
    x = 2,096.81

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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.