Home / 7,030.80-10,542.91-2,587.33

Finding the Fourth Proportional to 7,030.80, 10,542.91 and 2,587.33

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Solution

The fourth proportional to 7,030.80, 10,542.91 and 2,587.33 is: 3,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.80 : 10,542.91 = 2,587.33 : x
  2. Step 2: Convert to fraction form
    7,030.80/10,542.91 = 2,587.33/x
  3. Step 3: Cross multiply
    7,030.80x = 10,542.91 × 2,587.33
  4. Step 4: Simplify right side
    7,030.80x = 27,277,984.07
  5. Step 5: Solve for x
    x = 27,277,984.07/7,030.80
  6. Step 6: Final answer
    x = 3,879.78

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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.