Home / 7,754.40-11,631.63-2,417.64

Finding the Fourth Proportional to 7,754.40, 11,631.63 and 2,417.64

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Solution

The fourth proportional to 7,754.40, 11,631.63 and 2,417.64 is: 3,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.40 : 11,631.63 = 2,417.64 : x
  2. Step 2: Convert to fraction form
    7,754.40/11,631.63 = 2,417.64/x
  3. Step 3: Cross multiply
    7,754.40x = 11,631.63 × 2,417.64
  4. Step 4: Simplify right side
    7,754.40x = 28,121,093.95
  5. Step 5: Solve for x
    x = 28,121,093.95/7,754.40
  6. Step 6: Final answer
    x = 3,626.47

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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.