Home / 5,506.93-8,260.40-3,870.80

Finding the Fourth Proportional to 5,506.93, 8,260.40 and 3,870.80

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Solution

The fourth proportional to 5,506.93, 8,260.40 and 3,870.80 is: 5,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.93 : 8,260.40 = 3,870.80 : x
  2. Step 2: Convert to fraction form
    5,506.93/8,260.40 = 3,870.80/x
  3. Step 3: Cross multiply
    5,506.93x = 8,260.40 × 3,870.80
  4. Step 4: Simplify right side
    5,506.93x = 31,974,324.69
  5. Step 5: Solve for x
    x = 31,974,324.69/5,506.93
  6. Step 6: Final answer
    x = 5,806.20

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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.