Home / 6,790.28-9,371.90-4,428.32

Finding the Fourth Proportional to 6,790.28, 9,371.90 and 4,428.32

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Solution

The fourth proportional to 6,790.28, 9,371.90 and 4,428.32 is: 6,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.28 : 9,371.90 = 4,428.32 : x
  2. Step 2: Convert to fraction form
    6,790.28/9,371.90 = 4,428.32/x
  3. Step 3: Cross multiply
    6,790.28x = 9,371.90 × 4,428.32
  4. Step 4: Simplify right side
    6,790.28x = 41,501,703.21
  5. Step 5: Solve for x
    x = 41,501,703.21/6,790.28
  6. Step 6: Final answer
    x = 6,111.93

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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.