Home / 6,939.10-9,574.84-3,954.98

Finding the Fourth Proportional to 6,939.10, 9,574.84 and 3,954.98

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Solution

The fourth proportional to 6,939.10, 9,574.84 and 3,954.98 is: 5,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.10 : 9,574.84 = 3,954.98 : x
  2. Step 2: Convert to fraction form
    6,939.10/9,574.84 = 3,954.98/x
  3. Step 3: Cross multiply
    6,939.10x = 9,574.84 × 3,954.98
  4. Step 4: Simplify right side
    6,939.10x = 37,868,300.70
  5. Step 5: Solve for x
    x = 37,868,300.70/6,939.10
  6. Step 6: Final answer
    x = 5,457.24

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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.