Home / 4,319.72-6,479.61-2,370.86

Finding the Fourth Proportional to 4,319.72, 6,479.61 and 2,370.86

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Solution

The fourth proportional to 4,319.72, 6,479.61 and 2,370.86 is: 3,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.72 : 6,479.61 = 2,370.86 : x
  2. Step 2: Convert to fraction form
    4,319.72/6,479.61 = 2,370.86/x
  3. Step 3: Cross multiply
    4,319.72x = 6,479.61 × 2,370.86
  4. Step 4: Simplify right side
    4,319.72x = 15,362,248.16
  5. Step 5: Solve for x
    x = 15,362,248.16/4,319.72
  6. Step 6: Final answer
    x = 3,556.31

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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.