Home / 5,558.81-8,332.73-2,639.16

Finding the Fourth Proportional to 5,558.81, 8,332.73 and 2,639.16

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Solution

The fourth proportional to 5,558.81, 8,332.73 and 2,639.16 is: 3,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.81 : 8,332.73 = 2,639.16 : x
  2. Step 2: Convert to fraction form
    5,558.81/8,332.73 = 2,639.16/x
  3. Step 3: Cross multiply
    5,558.81x = 8,332.73 × 2,639.16
  4. Step 4: Simplify right side
    5,558.81x = 21,991,407.71
  5. Step 5: Solve for x
    x = 21,991,407.71/5,558.81
  6. Step 6: Final answer
    x = 3,956.14

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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.