Home / 9,172.51-13,760.69-4,788.79

Finding the Fourth Proportional to 9,172.51, 13,760.69 and 4,788.79

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Solution

The fourth proportional to 9,172.51, 13,760.69 and 4,788.79 is: 7,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.51 : 13,760.69 = 4,788.79 : x
  2. Step 2: Convert to fraction form
    9,172.51/13,760.69 = 4,788.79/x
  3. Step 3: Cross multiply
    9,172.51x = 13,760.69 × 4,788.79
  4. Step 4: Simplify right side
    9,172.51x = 65,896,996.32
  5. Step 5: Solve for x
    x = 65,896,996.32/9,172.51
  6. Step 6: Final answer
    x = 7,184.19

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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.