Home / 6,739.04-9,300.70-4,086.44

Finding the Fourth Proportional to 6,739.04, 9,300.70 and 4,086.44

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Solution

The fourth proportional to 6,739.04, 9,300.70 and 4,086.44 is: 5,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.04 : 9,300.70 = 4,086.44 : x
  2. Step 2: Convert to fraction form
    6,739.04/9,300.70 = 4,086.44/x
  3. Step 3: Cross multiply
    6,739.04x = 9,300.70 × 4,086.44
  4. Step 4: Simplify right side
    6,739.04x = 38,006,752.51
  5. Step 5: Solve for x
    x = 38,006,752.51/6,739.04
  6. Step 6: Final answer
    x = 5,639.79

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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.