Home / 5,451.60-7,525.52-3,685.60

Finding the Fourth Proportional to 5,451.60, 7,525.52 and 3,685.60

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Solution

The fourth proportional to 5,451.60, 7,525.52 and 3,685.60 is: 5,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.60 : 7,525.52 = 3,685.60 : x
  2. Step 2: Convert to fraction form
    5,451.60/7,525.52 = 3,685.60/x
  3. Step 3: Cross multiply
    5,451.60x = 7,525.52 × 3,685.60
  4. Step 4: Simplify right side
    5,451.60x = 27,736,056.51
  5. Step 5: Solve for x
    x = 27,736,056.51/5,451.60
  6. Step 6: Final answer
    x = 5,087.69

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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.