Home / 8,428.56-11,629.08-5,444.52

Finding the Fourth Proportional to 8,428.56, 11,629.08 and 5,444.52

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Solution

The fourth proportional to 8,428.56, 11,629.08 and 5,444.52 is: 7,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.56 : 11,629.08 = 5,444.52 : x
  2. Step 2: Convert to fraction form
    8,428.56/11,629.08 = 5,444.52/x
  3. Step 3: Cross multiply
    8,428.56x = 11,629.08 × 5,444.52
  4. Step 4: Simplify right side
    8,428.56x = 63,314,758.64
  5. Step 5: Solve for x
    x = 63,314,758.64/8,428.56
  6. Step 6: Final answer
    x = 7,511.93

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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.