Home / 9,782.04-13,499.01-5,305.62

Finding the Fourth Proportional to 9,782.04, 13,499.01 and 5,305.62

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Solution

The fourth proportional to 9,782.04, 13,499.01 and 5,305.62 is: 7,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,782.04 : 13,499.01 = 5,305.62 : x
  2. Step 2: Convert to fraction form
    9,782.04/13,499.01 = 5,305.62/x
  3. Step 3: Cross multiply
    9,782.04x = 13,499.01 × 5,305.62
  4. Step 4: Simplify right side
    9,782.04x = 71,620,617.44
  5. Step 5: Solve for x
    x = 71,620,617.44/9,782.04
  6. Step 6: Final answer
    x = 7,321.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.