Home / 5,477.81-8,210.83-2,842.68

Finding the Fourth Proportional to 5,477.81, 8,210.83 and 2,842.68

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Solution

The fourth proportional to 5,477.81, 8,210.83 and 2,842.68 is: 4,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.81 : 8,210.83 = 2,842.68 : x
  2. Step 2: Convert to fraction form
    5,477.81/8,210.83 = 2,842.68/x
  3. Step 3: Cross multiply
    5,477.81x = 8,210.83 × 2,842.68
  4. Step 4: Simplify right side
    5,477.81x = 23,340,762.22
  5. Step 5: Solve for x
    x = 23,340,762.22/5,477.81
  6. Step 6: Final answer
    x = 4,260.97

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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.