Home / 5,374.64-7,415.72-3,135.25

Finding the Fourth Proportional to 5,374.64, 7,415.72 and 3,135.25

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Solution

The fourth proportional to 5,374.64, 7,415.72 and 3,135.25 is: 4,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.64 : 7,415.72 = 3,135.25 : x
  2. Step 2: Convert to fraction form
    5,374.64/7,415.72 = 3,135.25/x
  3. Step 3: Cross multiply
    5,374.64x = 7,415.72 × 3,135.25
  4. Step 4: Simplify right side
    5,374.64x = 23,250,125.43
  5. Step 5: Solve for x
    x = 23,250,125.43/5,374.64
  6. Step 6: Final answer
    x = 4,325.89

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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.