Home / 5,586.39-8,376.95-1,689.75

Finding the Fourth Proportional to 5,586.39, 8,376.95 and 1,689.75

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Solution

The fourth proportional to 5,586.39, 8,376.95 and 1,689.75 is: 2,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.39 : 8,376.95 = 1,689.75 : x
  2. Step 2: Convert to fraction form
    5,586.39/8,376.95 = 1,689.75/x
  3. Step 3: Cross multiply
    5,586.39x = 8,376.95 × 1,689.75
  4. Step 4: Simplify right side
    5,586.39x = 14,154,942.81
  5. Step 5: Solve for x
    x = 14,154,942.81/5,586.39
  6. Step 6: Final answer
    x = 2,533.83

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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.