Home / 9,718.95-14,580.54-3,145.80

Finding the Fourth Proportional to 9,718.95, 14,580.54 and 3,145.80

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Solution

The fourth proportional to 9,718.95, 14,580.54 and 3,145.80 is: 4,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.95 : 14,580.54 = 3,145.80 : x
  2. Step 2: Convert to fraction form
    9,718.95/14,580.54 = 3,145.80/x
  3. Step 3: Cross multiply
    9,718.95x = 14,580.54 × 3,145.80
  4. Step 4: Simplify right side
    9,718.95x = 45,867,462.73
  5. Step 5: Solve for x
    x = 45,867,462.73/9,718.95
  6. Step 6: Final answer
    x = 4,719.38

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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.