Home / 6,257.90-9,374.70-4,289.60

Finding the Fourth Proportional to 6,257.90, 9,374.70 and 4,289.60

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Solution

The fourth proportional to 6,257.90, 9,374.70 and 4,289.60 is: 6,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.90 : 9,374.70 = 4,289.60 : x
  2. Step 2: Convert to fraction form
    6,257.90/9,374.70 = 4,289.60/x
  3. Step 3: Cross multiply
    6,257.90x = 9,374.70 × 4,289.60
  4. Step 4: Simplify right side
    6,257.90x = 40,213,713.12
  5. Step 5: Solve for x
    x = 40,213,713.12/6,257.90
  6. Step 6: Final answer
    x = 6,426.07

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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.