Home / 7,814.26-10,783.70-4,277.70

Finding the Fourth Proportional to 7,814.26, 10,783.70 and 4,277.70

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Solution

The fourth proportional to 7,814.26, 10,783.70 and 4,277.70 is: 5,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.26 : 10,783.70 = 4,277.70 : x
  2. Step 2: Convert to fraction form
    7,814.26/10,783.70 = 4,277.70/x
  3. Step 3: Cross multiply
    7,814.26x = 10,783.70 × 4,277.70
  4. Step 4: Simplify right side
    7,814.26x = 46,129,428.14
  5. Step 5: Solve for x
    x = 46,129,428.14/7,814.26
  6. Step 6: Final answer
    x = 5,903.24

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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.