Home / 9,720.40-14,583.30-4,176.40

Finding the Fourth Proportional to 9,720.40, 14,583.30 and 4,176.40

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Solution

The fourth proportional to 9,720.40, 14,583.30 and 4,176.40 is: 6,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.40 : 14,583.30 = 4,176.40 : x
  2. Step 2: Convert to fraction form
    9,720.40/14,583.30 = 4,176.40/x
  3. Step 3: Cross multiply
    9,720.40x = 14,583.30 × 4,176.40
  4. Step 4: Simplify right side
    9,720.40x = 60,905,694.12
  5. Step 5: Solve for x
    x = 60,905,694.12/9,720.40
  6. Step 6: Final answer
    x = 6,265.76

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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.