Home / 6,221.27-8,590.55-4,727.28

Finding the Fourth Proportional to 6,221.27, 8,590.55 and 4,727.28

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Solution

The fourth proportional to 6,221.27, 8,590.55 and 4,727.28 is: 6,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.27 : 8,590.55 = 4,727.28 : x
  2. Step 2: Convert to fraction form
    6,221.27/8,590.55 = 4,727.28/x
  3. Step 3: Cross multiply
    6,221.27x = 8,590.55 × 4,727.28
  4. Step 4: Simplify right side
    6,221.27x = 40,609,911.57
  5. Step 5: Solve for x
    x = 40,609,911.57/6,221.27
  6. Step 6: Final answer
    x = 6,527.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.