Home / 5,208.22-7,812.98-1,698.58

Finding the Fourth Proportional to 5,208.22, 7,812.98 and 1,698.58

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Solution

The fourth proportional to 5,208.22, 7,812.98 and 1,698.58 is: 2,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.22 : 7,812.98 = 1,698.58 : x
  2. Step 2: Convert to fraction form
    5,208.22/7,812.98 = 1,698.58/x
  3. Step 3: Cross multiply
    5,208.22x = 7,812.98 × 1,698.58
  4. Step 4: Simplify right side
    5,208.22x = 13,270,971.57
  5. Step 5: Solve for x
    x = 13,270,971.57/5,208.22
  6. Step 6: Final answer
    x = 2,548.08

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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.