Home / 9,870.09-14,806.14-3,206.31

Finding the Fourth Proportional to 9,870.09, 14,806.14 and 3,206.31

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Solution

The fourth proportional to 9,870.09, 14,806.14 and 3,206.31 is: 4,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870.09 : 14,806.14 = 3,206.31 : x
  2. Step 2: Convert to fraction form
    9,870.09/14,806.14 = 3,206.31/x
  3. Step 3: Cross multiply
    9,870.09x = 14,806.14 × 3,206.31
  4. Step 4: Simplify right side
    9,870.09x = 47,473,118.24
  5. Step 5: Solve for x
    x = 47,473,118.24/9,870.09
  6. Step 6: Final answer
    x = 4,809.79

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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.