Home / 5,506.47-8,256.96-1,806.78

Finding the Fourth Proportional to 5,506.47, 8,256.96 and 1,806.78

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Solution

The fourth proportional to 5,506.47, 8,256.96 and 1,806.78 is: 2,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.47 : 8,256.96 = 1,806.78 : x
  2. Step 2: Convert to fraction form
    5,506.47/8,256.96 = 1,806.78/x
  3. Step 3: Cross multiply
    5,506.47x = 8,256.96 × 1,806.78
  4. Step 4: Simplify right side
    5,506.47x = 14,918,510.19
  5. Step 5: Solve for x
    x = 14,918,510.19/5,506.47
  6. Step 6: Final answer
    x = 2,709.27

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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.