Home / 6,278.76-8,664.30-3,590.26

Finding the Fourth Proportional to 6,278.76, 8,664.30 and 3,590.26

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Solution

The fourth proportional to 6,278.76, 8,664.30 and 3,590.26 is: 4,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.76 : 8,664.30 = 3,590.26 : x
  2. Step 2: Convert to fraction form
    6,278.76/8,664.30 = 3,590.26/x
  3. Step 3: Cross multiply
    6,278.76x = 8,664.30 × 3,590.26
  4. Step 4: Simplify right side
    6,278.76x = 31,107,068.06
  5. Step 5: Solve for x
    x = 31,107,068.06/6,278.76
  6. Step 6: Final answer
    x = 4,954.33

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Half scale
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Double scale
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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.