Home / 7,814.20-10,783.62-4,277.56

Finding the Fourth Proportional to 7,814.20, 10,783.62 and 4,277.56

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Solution

The fourth proportional to 7,814.20, 10,783.62 and 4,277.56 is: 5,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.20 : 10,783.62 = 4,277.56 : x
  2. Step 2: Convert to fraction form
    7,814.20/10,783.62 = 4,277.56/x
  3. Step 3: Cross multiply
    7,814.20x = 10,783.62 × 4,277.56
  4. Step 4: Simplify right side
    7,814.20x = 46,127,581.57
  5. Step 5: Solve for x
    x = 46,127,581.57/7,814.20
  6. Step 6: Final answer
    x = 5,903.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.