Home / 9,428.81-14,139.90-2,763.47

Finding the Fourth Proportional to 9,428.81, 14,139.90 and 2,763.47

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Solution

The fourth proportional to 9,428.81, 14,139.90 and 2,763.47 is: 4,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.81 : 14,139.90 = 2,763.47 : x
  2. Step 2: Convert to fraction form
    9,428.81/14,139.90 = 2,763.47/x
  3. Step 3: Cross multiply
    9,428.81x = 14,139.90 × 2,763.47
  4. Step 4: Simplify right side
    9,428.81x = 39,075,189.45
  5. Step 5: Solve for x
    x = 39,075,189.45/9,428.81
  6. Step 6: Final answer
    x = 4,144.23

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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.