Home / 7,004.18-9,665.80-3,860.58

Finding the Fourth Proportional to 7,004.18, 9,665.80 and 3,860.58

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Solution

The fourth proportional to 7,004.18, 9,665.80 and 3,860.58 is: 5,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.18 : 9,665.80 = 3,860.58 : x
  2. Step 2: Convert to fraction form
    7,004.18/9,665.80 = 3,860.58/x
  3. Step 3: Cross multiply
    7,004.18x = 9,665.80 × 3,860.58
  4. Step 4: Simplify right side
    7,004.18x = 37,315,594.16
  5. Step 5: Solve for x
    x = 37,315,594.16/7,004.18
  6. Step 6: Final answer
    x = 5,327.62

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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.