Home / 9,315.55-13,973.32-2,390.05

Finding the Fourth Proportional to 9,315.55, 13,973.32 and 2,390.05

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Solution

The fourth proportional to 9,315.55, 13,973.32 and 2,390.05 is: 3,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.55 : 13,973.32 = 2,390.05 : x
  2. Step 2: Convert to fraction form
    9,315.55/13,973.32 = 2,390.05/x
  3. Step 3: Cross multiply
    9,315.55x = 13,973.32 × 2,390.05
  4. Step 4: Simplify right side
    9,315.55x = 33,396,933.47
  5. Step 5: Solve for x
    x = 33,396,933.47/9,315.55
  6. Step 6: Final answer
    x = 3,585.07

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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.