Home / 4,490.07-6,718.70-2,642.06

Finding the Fourth Proportional to 4,490.07, 6,718.70 and 2,642.06

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Solution

The fourth proportional to 4,490.07, 6,718.70 and 2,642.06 is: 3,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.07 : 6,718.70 = 2,642.06 : x
  2. Step 2: Convert to fraction form
    4,490.07/6,718.70 = 2,642.06/x
  3. Step 3: Cross multiply
    4,490.07x = 6,718.70 × 2,642.06
  4. Step 4: Simplify right side
    4,490.07x = 17,751,208.52
  5. Step 5: Solve for x
    x = 17,751,208.52/4,490.07
  6. Step 6: Final answer
    x = 3,953.44

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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.