Home / 6,490.48-9,736.26-2,106.22

Finding the Fourth Proportional to 6,490.48, 9,736.26 and 2,106.22

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Solution

The fourth proportional to 6,490.48, 9,736.26 and 2,106.22 is: 3,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.48 : 9,736.26 = 2,106.22 : x
  2. Step 2: Convert to fraction form
    6,490.48/9,736.26 = 2,106.22/x
  3. Step 3: Cross multiply
    6,490.48x = 9,736.26 × 2,106.22
  4. Step 4: Simplify right side
    6,490.48x = 20,506,705.54
  5. Step 5: Solve for x
    x = 20,506,705.54/6,490.48
  6. Step 6: Final answer
    x = 3,159.51

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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.