Home / 5,025.38-7,538.23-1,905.60

Finding the Fourth Proportional to 5,025.38, 7,538.23 and 1,905.60

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Solution

The fourth proportional to 5,025.38, 7,538.23 and 1,905.60 is: 2,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.38 : 7,538.23 = 1,905.60 : x
  2. Step 2: Convert to fraction form
    5,025.38/7,538.23 = 1,905.60/x
  3. Step 3: Cross multiply
    5,025.38x = 7,538.23 × 1,905.60
  4. Step 4: Simplify right side
    5,025.38x = 14,364,881.74
  5. Step 5: Solve for x
    x = 14,364,881.74/5,025.38
  6. Step 6: Final answer
    x = 2,858.47

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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.