Home / 4,279.79-6,405.08-3,587.24

Finding the Fourth Proportional to 4,279.79, 6,405.08 and 3,587.24

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Solution

The fourth proportional to 4,279.79, 6,405.08 and 3,587.24 is: 5,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.79 : 6,405.08 = 3,587.24 : x
  2. Step 2: Convert to fraction form
    4,279.79/6,405.08 = 3,587.24/x
  3. Step 3: Cross multiply
    4,279.79x = 6,405.08 × 3,587.24
  4. Step 4: Simplify right side
    4,279.79x = 22,976,509.22
  5. Step 5: Solve for x
    x = 22,976,509.22/4,279.79
  6. Step 6: Final answer
    x = 5,368.61

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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.