Home / 4,860.70-7,298.34-2,783.05

Finding the Fourth Proportional to 4,860.70, 7,298.34 and 2,783.05

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Solution

The fourth proportional to 4,860.70, 7,298.34 and 2,783.05 is: 4,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.70 : 7,298.34 = 2,783.05 : x
  2. Step 2: Convert to fraction form
    4,860.70/7,298.34 = 2,783.05/x
  3. Step 3: Cross multiply
    4,860.70x = 7,298.34 × 2,783.05
  4. Step 4: Simplify right side
    4,860.70x = 20,311,645.14
  5. Step 5: Solve for x
    x = 20,311,645.14/4,860.70
  6. Step 6: Final answer
    x = 4,178.75

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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.