Home / 6,908.19-9,534.54-4,075.40

Finding the Fourth Proportional to 6,908.19, 9,534.54 and 4,075.40

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Solution

The fourth proportional to 6,908.19, 9,534.54 and 4,075.40 is: 5,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.19 : 9,534.54 = 4,075.40 : x
  2. Step 2: Convert to fraction form
    6,908.19/9,534.54 = 4,075.40/x
  3. Step 3: Cross multiply
    6,908.19x = 9,534.54 × 4,075.40
  4. Step 4: Simplify right side
    6,908.19x = 38,857,016.64
  5. Step 5: Solve for x
    x = 38,857,016.64/6,908.19
  6. Step 6: Final answer
    x = 5,624.78

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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.