Home / 9,428.19-13,009.37-5,448.59

Finding the Fourth Proportional to 9,428.19, 13,009.37 and 5,448.59

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Solution

The fourth proportional to 9,428.19, 13,009.37 and 5,448.59 is: 7,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.19 : 13,009.37 = 5,448.59 : x
  2. Step 2: Convert to fraction form
    9,428.19/13,009.37 = 5,448.59/x
  3. Step 3: Cross multiply
    9,428.19x = 13,009.37 × 5,448.59
  4. Step 4: Simplify right side
    9,428.19x = 70,882,723.29
  5. Step 5: Solve for x
    x = 70,882,723.29/9,428.19
  6. Step 6: Final answer
    x = 7,518.17

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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.