Home / 9,719.21-14,580.02-3,479.89

Finding the Fourth Proportional to 9,719.21, 14,580.02 and 3,479.89

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Solution

The fourth proportional to 9,719.21, 14,580.02 and 3,479.89 is: 5,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.21 : 14,580.02 = 3,479.89 : x
  2. Step 2: Convert to fraction form
    9,719.21/14,580.02 = 3,479.89/x
  3. Step 3: Cross multiply
    9,719.21x = 14,580.02 × 3,479.89
  4. Step 4: Simplify right side
    9,719.21x = 50,736,811.95
  5. Step 5: Solve for x
    x = 50,736,811.95/9,719.21
  6. Step 6: Final answer
    x = 5,220.26

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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.