Home / 5,529.60-8,287.12-2,603.92

Finding the Fourth Proportional to 5,529.60, 8,287.12 and 2,603.92

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Solution

The fourth proportional to 5,529.60, 8,287.12 and 2,603.92 is: 3,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.60 : 8,287.12 = 2,603.92 : x
  2. Step 2: Convert to fraction form
    5,529.60/8,287.12 = 2,603.92/x
  3. Step 3: Cross multiply
    5,529.60x = 8,287.12 × 2,603.92
  4. Step 4: Simplify right side
    5,529.60x = 21,578,997.51
  5. Step 5: Solve for x
    x = 21,578,997.51/5,529.60
  6. Step 6: Final answer
    x = 3,902.45

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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.