Home / 6,590.09-9,885.15-2,207.81

Finding the Fourth Proportional to 6,590.09, 9,885.15 and 2,207.81

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Solution

The fourth proportional to 6,590.09, 9,885.15 and 2,207.81 is: 3,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.09 : 9,885.15 = 2,207.81 : x
  2. Step 2: Convert to fraction form
    6,590.09/9,885.15 = 2,207.81/x
  3. Step 3: Cross multiply
    6,590.09x = 9,885.15 × 2,207.81
  4. Step 4: Simplify right side
    6,590.09x = 21,824,483.60
  5. Step 5: Solve for x
    x = 21,824,483.60/6,590.09
  6. Step 6: Final answer
    x = 3,311.72

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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.