Home / 9,428.97-13,010.70-5,448.63

Finding the Fourth Proportional to 9,428.97, 13,010.70 and 5,448.63

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Solution

The fourth proportional to 9,428.97, 13,010.70 and 5,448.63 is: 7,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.97 : 13,010.70 = 5,448.63 : x
  2. Step 2: Convert to fraction form
    9,428.97/13,010.70 = 5,448.63/x
  3. Step 3: Cross multiply
    9,428.97x = 13,010.70 × 5,448.63
  4. Step 4: Simplify right side
    9,428.97x = 70,890,490.34
  5. Step 5: Solve for x
    x = 70,890,490.34/9,428.97
  6. Step 6: Final answer
    x = 7,518.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.