Home / 4,739.36-6,538.31-3,478.23

Finding the Fourth Proportional to 4,739.36, 6,538.31 and 3,478.23

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Solution

The fourth proportional to 4,739.36, 6,538.31 and 3,478.23 is: 4,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.36 : 6,538.31 = 3,478.23 : x
  2. Step 2: Convert to fraction form
    4,739.36/6,538.31 = 3,478.23/x
  3. Step 3: Cross multiply
    4,739.36x = 6,538.31 × 3,478.23
  4. Step 4: Simplify right side
    4,739.36x = 22,741,728.60
  5. Step 5: Solve for x
    x = 22,741,728.60/4,739.36
  6. Step 6: Final answer
    x = 4,798.48

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Half scale
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Double scale
Find fourth proportional to 4,740.36, 6,539.68 and 3,479.23
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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.