Home / 9,120.06-13,678.08-2,544.48

Finding the Fourth Proportional to 9,120.06, 13,678.08 and 2,544.48

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Solution

The fourth proportional to 9,120.06, 13,678.08 and 2,544.48 is: 3,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.06 : 13,678.08 = 2,544.48 : x
  2. Step 2: Convert to fraction form
    9,120.06/13,678.08 = 2,544.48/x
  3. Step 3: Cross multiply
    9,120.06x = 13,678.08 × 2,544.48
  4. Step 4: Simplify right side
    9,120.06x = 34,803,601.00
  5. Step 5: Solve for x
    x = 34,803,601.00/9,120.06
  6. Step 6: Final answer
    x = 3,816.16

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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.