Home / 4,705.20-7,057.80-2,859.93

Finding the Fourth Proportional to 4,705.20, 7,057.80 and 2,859.93

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Solution

The fourth proportional to 4,705.20, 7,057.80 and 2,859.93 is: 4,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.20 : 7,057.80 = 2,859.93 : x
  2. Step 2: Convert to fraction form
    4,705.20/7,057.80 = 2,859.93/x
  3. Step 3: Cross multiply
    4,705.20x = 7,057.80 × 2,859.93
  4. Step 4: Simplify right side
    4,705.20x = 20,184,813.95
  5. Step 5: Solve for x
    x = 20,184,813.95/4,705.20
  6. Step 6: Final answer
    x = 4,289.90

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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.