Home / 5,790.30-7,979.67-5,703.90

Finding the Fourth Proportional to 5,790.30, 7,979.67 and 5,703.90

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Solution

The fourth proportional to 5,790.30, 7,979.67 and 5,703.90 is: 7,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.30 : 7,979.67 = 5,703.90 : x
  2. Step 2: Convert to fraction form
    5,790.30/7,979.67 = 5,703.90/x
  3. Step 3: Cross multiply
    5,790.30x = 7,979.67 × 5,703.90
  4. Step 4: Simplify right side
    5,790.30x = 45,515,239.71
  5. Step 5: Solve for x
    x = 45,515,239.71/5,790.30
  6. Step 6: Final answer
    x = 7,860.60

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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.