Home / 9,379.05-14,071.95-4,385.88

Finding the Fourth Proportional to 9,379.05, 14,071.95 and 4,385.88

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Solution

The fourth proportional to 9,379.05, 14,071.95 and 4,385.88 is: 6,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.05 : 14,071.95 = 4,385.88 : x
  2. Step 2: Convert to fraction form
    9,379.05/14,071.95 = 4,385.88/x
  3. Step 3: Cross multiply
    9,379.05x = 14,071.95 × 4,385.88
  4. Step 4: Simplify right side
    9,379.05x = 61,717,884.07
  5. Step 5: Solve for x
    x = 61,717,884.07/9,379.05
  6. Step 6: Final answer
    x = 6,580.40

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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.