Home / 4,319.32-6,479.92-1,397.58

Finding the Fourth Proportional to 4,319.32, 6,479.92 and 1,397.58

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Solution

The fourth proportional to 4,319.32, 6,479.92 and 1,397.58 is: 2,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.32 : 6,479.92 = 1,397.58 : x
  2. Step 2: Convert to fraction form
    4,319.32/6,479.92 = 1,397.58/x
  3. Step 3: Cross multiply
    4,319.32x = 6,479.92 × 1,397.58
  4. Step 4: Simplify right side
    4,319.32x = 9,056,206.59
  5. Step 5: Solve for x
    x = 9,056,206.59/4,319.32
  6. Step 6: Final answer
    x = 2,096.67

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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.