Home / 4,547.21-6,806.16-3,887.87

Finding the Fourth Proportional to 4,547.21, 6,806.16 and 3,887.87

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Solution

The fourth proportional to 4,547.21, 6,806.16 and 3,887.87 is: 5,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.21 : 6,806.16 = 3,887.87 : x
  2. Step 2: Convert to fraction form
    4,547.21/6,806.16 = 3,887.87/x
  3. Step 3: Cross multiply
    4,547.21x = 6,806.16 × 3,887.87
  4. Step 4: Simplify right side
    4,547.21x = 26,461,431.25
  5. Step 5: Solve for x
    x = 26,461,431.25/4,547.21
  6. Step 6: Final answer
    x = 5,819.27

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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.