Home / 6,140.19-8,464.55-4,248.89

Finding the Fourth Proportional to 6,140.19, 8,464.55 and 4,248.89

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Solution

The fourth proportional to 6,140.19, 8,464.55 and 4,248.89 is: 5,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.19 : 8,464.55 = 4,248.89 : x
  2. Step 2: Convert to fraction form
    6,140.19/8,464.55 = 4,248.89/x
  3. Step 3: Cross multiply
    6,140.19x = 8,464.55 × 4,248.89
  4. Step 4: Simplify right side
    6,140.19x = 35,964,878.28
  5. Step 5: Solve for x
    x = 35,964,878.28/6,140.19
  6. Step 6: Final answer
    x = 5,857.29

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Half scale
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Double scale
Find fourth proportional to 6,141.19, 8,465.92 and 4,249.89
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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.