Home / 6,247.81-9,368.53-2,086.32

Finding the Fourth Proportional to 6,247.81, 9,368.53 and 2,086.32

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Solution

The fourth proportional to 6,247.81, 9,368.53 and 2,086.32 is: 3,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.81 : 9,368.53 = 2,086.32 : x
  2. Step 2: Convert to fraction form
    6,247.81/9,368.53 = 2,086.32/x
  3. Step 3: Cross multiply
    6,247.81x = 9,368.53 × 2,086.32
  4. Step 4: Simplify right side
    6,247.81x = 19,545,751.51
  5. Step 5: Solve for x
    x = 19,545,751.51/6,247.81
  6. Step 6: Final answer
    x = 3,128.42

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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.