Home / 5,201.72-7,802.58-1,306.11

Finding the Fourth Proportional to 5,201.72, 7,802.58 and 1,306.11

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Solution

The fourth proportional to 5,201.72, 7,802.58 and 1,306.11 is: 1,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.72 : 7,802.58 = 1,306.11 : x
  2. Step 2: Convert to fraction form
    5,201.72/7,802.58 = 1,306.11/x
  3. Step 3: Cross multiply
    5,201.72x = 7,802.58 × 1,306.11
  4. Step 4: Simplify right side
    5,201.72x = 10,191,027.76
  5. Step 5: Solve for x
    x = 10,191,027.76/5,201.72
  6. Step 6: Final answer
    x = 1,959.17

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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.