Home / 5,244.51-7,866.78-2,645.64

Finding the Fourth Proportional to 5,244.51, 7,866.78 and 2,645.64

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Solution

The fourth proportional to 5,244.51, 7,866.78 and 2,645.64 is: 3,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.51 : 7,866.78 = 2,645.64 : x
  2. Step 2: Convert to fraction form
    5,244.51/7,866.78 = 2,645.64/x
  3. Step 3: Cross multiply
    5,244.51x = 7,866.78 × 2,645.64
  4. Step 4: Simplify right side
    5,244.51x = 20,812,667.84
  5. Step 5: Solve for x
    x = 20,812,667.84/5,244.51
  6. Step 6: Final answer
    x = 3,968.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.