Home / 7,779.93-10,736.18-4,243.07

Finding the Fourth Proportional to 7,779.93, 10,736.18 and 4,243.07

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Solution

The fourth proportional to 7,779.93, 10,736.18 and 4,243.07 is: 5,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.93 : 10,736.18 = 4,243.07 : x
  2. Step 2: Convert to fraction form
    7,779.93/10,736.18 = 4,243.07/x
  3. Step 3: Cross multiply
    7,779.93x = 10,736.18 × 4,243.07
  4. Step 4: Simplify right side
    7,779.93x = 45,554,309.59
  5. Step 5: Solve for x
    x = 45,554,309.59/7,779.93
  6. Step 6: Final answer
    x = 5,855.36

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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.