Home / 6,686.69-9,223.40-5,268.85

Finding the Fourth Proportional to 6,686.69, 9,223.40 and 5,268.85

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Solution

The fourth proportional to 6,686.69, 9,223.40 and 5,268.85 is: 7,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.69 : 9,223.40 = 5,268.85 : x
  2. Step 2: Convert to fraction form
    6,686.69/9,223.40 = 5,268.85/x
  3. Step 3: Cross multiply
    6,686.69x = 9,223.40 × 5,268.85
  4. Step 4: Simplify right side
    6,686.69x = 48,596,701.20
  5. Step 5: Solve for x
    x = 48,596,701.20/6,686.69
  6. Step 6: Final answer
    x = 7,267.68

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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.