Home / 4,428.32-6,642.83-1,141.45

Finding the Fourth Proportional to 4,428.32, 6,642.83 and 1,141.45

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Solution

The fourth proportional to 4,428.32, 6,642.83 and 1,141.45 is: 1,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.32 : 6,642.83 = 1,141.45 : x
  2. Step 2: Convert to fraction form
    4,428.32/6,642.83 = 1,141.45/x
  3. Step 3: Cross multiply
    4,428.32x = 6,642.83 × 1,141.45
  4. Step 4: Simplify right side
    4,428.32x = 7,582,458.30
  5. Step 5: Solve for x
    x = 7,582,458.30/4,428.32
  6. Step 6: Final answer
    x = 1,712.27

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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.