Home / 5,219.03-7,828.45-1,323.44

Finding the Fourth Proportional to 5,219.03, 7,828.45 and 1,323.44

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Solution

The fourth proportional to 5,219.03, 7,828.45 and 1,323.44 is: 1,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.03 : 7,828.45 = 1,323.44 : x
  2. Step 2: Convert to fraction form
    5,219.03/7,828.45 = 1,323.44/x
  3. Step 3: Cross multiply
    5,219.03x = 7,828.45 × 1,323.44
  4. Step 4: Simplify right side
    5,219.03x = 10,360,470.77
  5. Step 5: Solve for x
    x = 10,360,470.77/5,219.03
  6. Step 6: Final answer
    x = 1,985.13

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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.