Home / 7,813.06-10,783.96-5,299.37

Finding the Fourth Proportional to 7,813.06, 10,783.96 and 5,299.37

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Solution

The fourth proportional to 7,813.06, 10,783.96 and 5,299.37 is: 7,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.06 : 10,783.96 = 5,299.37 : x
  2. Step 2: Convert to fraction form
    7,813.06/10,783.96 = 5,299.37/x
  3. Step 3: Cross multiply
    7,813.06x = 10,783.96 × 5,299.37
  4. Step 4: Simplify right side
    7,813.06x = 57,148,242.94
  5. Step 5: Solve for x
    x = 57,148,242.94/7,813.06
  6. Step 6: Final answer
    x = 7,314.45

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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.