Home / 7,448.28-10,279.89-4,306.29

Finding the Fourth Proportional to 7,448.28, 10,279.89 and 4,306.29

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Solution

The fourth proportional to 7,448.28, 10,279.89 and 4,306.29 is: 5,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.28 : 10,279.89 = 4,306.29 : x
  2. Step 2: Convert to fraction form
    7,448.28/10,279.89 = 4,306.29/x
  3. Step 3: Cross multiply
    7,448.28x = 10,279.89 × 4,306.29
  4. Step 4: Simplify right side
    7,448.28x = 44,268,187.51
  5. Step 5: Solve for x
    x = 44,268,187.51/7,448.28
  6. Step 6: Final answer
    x = 5,943.41

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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.