Home / 9,142.19-13,708.96-4,210.37

Finding the Fourth Proportional to 9,142.19, 13,708.96 and 4,210.37

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Solution

The fourth proportional to 9,142.19, 13,708.96 and 4,210.37 is: 6,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.19 : 13,708.96 = 4,210.37 : x
  2. Step 2: Convert to fraction form
    9,142.19/13,708.96 = 4,210.37/x
  3. Step 3: Cross multiply
    9,142.19x = 13,708.96 × 4,210.37
  4. Step 4: Simplify right side
    9,142.19x = 57,719,714.84
  5. Step 5: Solve for x
    x = 57,719,714.84/9,142.19
  6. Step 6: Final answer
    x = 6,313.56

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1.5x scale

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.