Home / 9,316.88-13,975.76-3,077.45

Finding the Fourth Proportional to 9,316.88, 13,975.76 and 3,077.45

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Solution

The fourth proportional to 9,316.88, 13,975.76 and 3,077.45 is: 4,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.88 : 13,975.76 = 3,077.45 : x
  2. Step 2: Convert to fraction form
    9,316.88/13,975.76 = 3,077.45/x
  3. Step 3: Cross multiply
    9,316.88x = 13,975.76 × 3,077.45
  4. Step 4: Simplify right side
    9,316.88x = 43,009,745.25
  5. Step 5: Solve for x
    x = 43,009,745.25/9,316.88
  6. Step 6: Final answer
    x = 4,616.32

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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.