Home / 6,259.19-8,639.60-3,608.36

Finding the Fourth Proportional to 6,259.19, 8,639.60 and 3,608.36

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Solution

The fourth proportional to 6,259.19, 8,639.60 and 3,608.36 is: 4,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.19 : 8,639.60 = 3,608.36 : x
  2. Step 2: Convert to fraction form
    6,259.19/8,639.60 = 3,608.36/x
  3. Step 3: Cross multiply
    6,259.19x = 8,639.60 × 3,608.36
  4. Step 4: Simplify right side
    6,259.19x = 31,174,787.06
  5. Step 5: Solve for x
    x = 31,174,787.06/6,259.19
  6. Step 6: Final answer
    x = 4,980.64

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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.