Home / 9,158.99-13,739.06-2,585.69

Finding the Fourth Proportional to 9,158.99, 13,739.06 and 2,585.69

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Solution

The fourth proportional to 9,158.99, 13,739.06 and 2,585.69 is: 3,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.99 : 13,739.06 = 2,585.69 : x
  2. Step 2: Convert to fraction form
    9,158.99/13,739.06 = 2,585.69/x
  3. Step 3: Cross multiply
    9,158.99x = 13,739.06 × 2,585.69
  4. Step 4: Simplify right side
    9,158.99x = 35,524,881.36
  5. Step 5: Solve for x
    x = 35,524,881.36/9,158.99
  6. Step 6: Final answer
    x = 3,878.69

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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.