Home / 4,656.81-6,424.83-2,640.01

Finding the Fourth Proportional to 4,656.81, 6,424.83 and 2,640.01

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Solution

The fourth proportional to 4,656.81, 6,424.83 and 2,640.01 is: 3,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.81 : 6,424.83 = 2,640.01 : x
  2. Step 2: Convert to fraction form
    4,656.81/6,424.83 = 2,640.01/x
  3. Step 3: Cross multiply
    4,656.81x = 6,424.83 × 2,640.01
  4. Step 4: Simplify right side
    4,656.81x = 16,961,623.48
  5. Step 5: Solve for x
    x = 16,961,623.48/4,656.81
  6. Step 6: Final answer
    x = 3,642.32

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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.