Home / 6,987.07-10,468.29-3,692.89

Finding the Fourth Proportional to 6,987.07, 10,468.29 and 3,692.89

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Solution

The fourth proportional to 6,987.07, 10,468.29 and 3,692.89 is: 5,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.07 : 10,468.29 = 3,692.89 : x
  2. Step 2: Convert to fraction form
    6,987.07/10,468.29 = 3,692.89/x
  3. Step 3: Cross multiply
    6,987.07x = 10,468.29 × 3,692.89
  4. Step 4: Simplify right side
    6,987.07x = 38,658,243.46
  5. Step 5: Solve for x
    x = 38,658,243.46/6,987.07
  6. Step 6: Final answer
    x = 5,532.83

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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.