Home / 9,316.13-13,975.00-2,390.63

Finding the Fourth Proportional to 9,316.13, 13,975.00 and 2,390.63

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Solution

The fourth proportional to 9,316.13, 13,975.00 and 2,390.63 is: 3,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.13 : 13,975.00 = 2,390.63 : x
  2. Step 2: Convert to fraction form
    9,316.13/13,975.00 = 2,390.63/x
  3. Step 3: Cross multiply
    9,316.13x = 13,975.00 × 2,390.63
  4. Step 4: Simplify right side
    9,316.13x = 33,408,978.40
  5. Step 5: Solve for x
    x = 33,408,978.40/9,316.13
  6. Step 6: Final answer
    x = 3,586.15

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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.