Home / 6,981.90-9,643.24-4,619.94

Finding the Fourth Proportional to 6,981.90, 9,643.24 and 4,619.94

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Solution

The fourth proportional to 6,981.90, 9,643.24 and 4,619.94 is: 6,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.90 : 9,643.24 = 4,619.94 : x
  2. Step 2: Convert to fraction form
    6,981.90/9,643.24 = 4,619.94/x
  3. Step 3: Cross multiply
    6,981.90x = 9,643.24 × 4,619.94
  4. Step 4: Simplify right side
    6,981.90x = 44,551,159.82
  5. Step 5: Solve for x
    x = 44,551,159.82/6,981.90
  6. Step 6: Final answer
    x = 6,380.95

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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.