Home / 4,945.12-7,415.96-1,657.46

Finding the Fourth Proportional to 4,945.12, 7,415.96 and 1,657.46

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Solution

The fourth proportional to 4,945.12, 7,415.96 and 1,657.46 is: 2,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.12 : 7,415.96 = 1,657.46 : x
  2. Step 2: Convert to fraction form
    4,945.12/7,415.96 = 1,657.46/x
  3. Step 3: Cross multiply
    4,945.12x = 7,415.96 × 1,657.46
  4. Step 4: Simplify right side
    4,945.12x = 12,291,667.31
  5. Step 5: Solve for x
    x = 12,291,667.31/4,945.12
  6. Step 6: Final answer
    x = 2,485.62

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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.