Home / 4,642.65-6,406.63-2,653.09

Finding the Fourth Proportional to 4,642.65, 6,406.63 and 2,653.09

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Solution

The fourth proportional to 4,642.65, 6,406.63 and 2,653.09 is: 3,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.65 : 6,406.63 = 2,653.09 : x
  2. Step 2: Convert to fraction form
    4,642.65/6,406.63 = 2,653.09/x
  3. Step 3: Cross multiply
    4,642.65x = 6,406.63 × 2,653.09
  4. Step 4: Simplify right side
    4,642.65x = 16,997,343.34
  5. Step 5: Solve for x
    x = 16,997,343.34/4,642.65
  6. Step 6: Final answer
    x = 3,661.13

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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.