Home / 6,590.70-9,887.03-2,146.91

Finding the Fourth Proportional to 6,590.70, 9,887.03 and 2,146.91

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Solution

The fourth proportional to 6,590.70, 9,887.03 and 2,146.91 is: 3,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.70 : 9,887.03 = 2,146.91 : x
  2. Step 2: Convert to fraction form
    6,590.70/9,887.03 = 2,146.91/x
  3. Step 3: Cross multiply
    6,590.70x = 9,887.03 × 2,146.91
  4. Step 4: Simplify right side
    6,590.70x = 21,226,563.58
  5. Step 5: Solve for x
    x = 21,226,563.58/6,590.70
  6. Step 6: Final answer
    x = 3,220.68

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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.