Home / 4,783.95-7,187.21-2,814.63

Finding the Fourth Proportional to 4,783.95, 7,187.21 and 2,814.63

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Solution

The fourth proportional to 4,783.95, 7,187.21 and 2,814.63 is: 4,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.95 : 7,187.21 = 2,814.63 : x
  2. Step 2: Convert to fraction form
    4,783.95/7,187.21 = 2,814.63/x
  3. Step 3: Cross multiply
    4,783.95x = 7,187.21 × 2,814.63
  4. Step 4: Simplify right side
    4,783.95x = 20,229,322.81
  5. Step 5: Solve for x
    x = 20,229,322.81/4,783.95
  6. Step 6: Final answer
    x = 4,228.58

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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.