Home / 5,201.33-7,802.67-1,690.19

Finding the Fourth Proportional to 5,201.33, 7,802.67 and 1,690.19

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Solution

The fourth proportional to 5,201.33, 7,802.67 and 1,690.19 is: 2,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.33 : 7,802.67 = 1,690.19 : x
  2. Step 2: Convert to fraction form
    5,201.33/7,802.67 = 1,690.19/x
  3. Step 3: Cross multiply
    5,201.33x = 7,802.67 × 1,690.19
  4. Step 4: Simplify right side
    5,201.33x = 13,187,955.79
  5. Step 5: Solve for x
    x = 13,187,955.79/5,201.33
  6. Step 6: Final answer
    x = 2,535.50

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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.