Home / 9,478.65-14,220.57-2,904.69

Finding the Fourth Proportional to 9,478.65, 14,220.57 and 2,904.69

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Solution

The fourth proportional to 9,478.65, 14,220.57 and 2,904.69 is: 4,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.65 : 14,220.57 = 2,904.69 : x
  2. Step 2: Convert to fraction form
    9,478.65/14,220.57 = 2,904.69/x
  3. Step 3: Cross multiply
    9,478.65x = 14,220.57 × 2,904.69
  4. Step 4: Simplify right side
    9,478.65x = 41,306,347.47
  5. Step 5: Solve for x
    x = 41,306,347.47/9,478.65
  6. Step 6: Final answer
    x = 4,357.83

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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.