Home / 7,169.48-10,754.06-1,975.40

Finding the Fourth Proportional to 7,169.48, 10,754.06 and 1,975.40

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Solution

The fourth proportional to 7,169.48, 10,754.06 and 1,975.40 is: 2,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.48 : 10,754.06 = 1,975.40 : x
  2. Step 2: Convert to fraction form
    7,169.48/10,754.06 = 1,975.40/x
  3. Step 3: Cross multiply
    7,169.48x = 10,754.06 × 1,975.40
  4. Step 4: Simplify right side
    7,169.48x = 21,243,570.12
  5. Step 5: Solve for x
    x = 21,243,570.12/7,169.48
  6. Step 6: Final answer
    x = 2,963.06

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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.