Home / 6,009.12-8,290.77-3,490.74

Finding the Fourth Proportional to 6,009.12, 8,290.77 and 3,490.74

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Solution

The fourth proportional to 6,009.12, 8,290.77 and 3,490.74 is: 4,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,009.12 : 8,290.77 = 3,490.74 : x
  2. Step 2: Convert to fraction form
    6,009.12/8,290.77 = 3,490.74/x
  3. Step 3: Cross multiply
    6,009.12x = 8,290.77 × 3,490.74
  4. Step 4: Simplify right side
    6,009.12x = 28,940,884.29
  5. Step 5: Solve for x
    x = 28,940,884.29/6,009.12
  6. Step 6: Final answer
    x = 4,816.16

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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.