Home / 5,699.84-8,547.71-2,188.04

Finding the Fourth Proportional to 5,699.84, 8,547.71 and 2,188.04

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Solution

The fourth proportional to 5,699.84, 8,547.71 and 2,188.04 is: 3,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.84 : 8,547.71 = 2,188.04 : x
  2. Step 2: Convert to fraction form
    5,699.84/8,547.71 = 2,188.04/x
  3. Step 3: Cross multiply
    5,699.84x = 8,547.71 × 2,188.04
  4. Step 4: Simplify right side
    5,699.84x = 18,702,731.39
  5. Step 5: Solve for x
    x = 18,702,731.39/5,699.84
  6. Step 6: Final answer
    x = 3,281.27

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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.