Home / 4,779.09-7,168.75-2,313.45

Finding the Fourth Proportional to 4,779.09, 7,168.75 and 2,313.45

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Solution

The fourth proportional to 4,779.09, 7,168.75 and 2,313.45 is: 3,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.09 : 7,168.75 = 2,313.45 : x
  2. Step 2: Convert to fraction form
    4,779.09/7,168.75 = 2,313.45/x
  3. Step 3: Cross multiply
    4,779.09x = 7,168.75 × 2,313.45
  4. Step 4: Simplify right side
    4,779.09x = 16,584,544.69
  5. Step 5: Solve for x
    x = 16,584,544.69/4,779.09
  6. Step 6: Final answer
    x = 3,470.23

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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.