Home / 7,014.08-9,679.41-3,870.26

Finding the Fourth Proportional to 7,014.08, 9,679.41 and 3,870.26

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Solution

The fourth proportional to 7,014.08, 9,679.41 and 3,870.26 is: 5,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.08 : 9,679.41 = 3,870.26 : x
  2. Step 2: Convert to fraction form
    7,014.08/9,679.41 = 3,870.26/x
  3. Step 3: Cross multiply
    7,014.08x = 9,679.41 × 3,870.26
  4. Step 4: Simplify right side
    7,014.08x = 37,461,843.02
  5. Step 5: Solve for x
    x = 37,461,843.02/7,014.08
  6. Step 6: Final answer
    x = 5,340.95

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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.