Home / 5,464.80-8,205.84-4,315.68

Finding the Fourth Proportional to 5,464.80, 8,205.84 and 4,315.68

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Solution

The fourth proportional to 5,464.80, 8,205.84 and 4,315.68 is: 6,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.80 : 8,205.84 = 4,315.68 : x
  2. Step 2: Convert to fraction form
    5,464.80/8,205.84 = 4,315.68/x
  3. Step 3: Cross multiply
    5,464.80x = 8,205.84 × 4,315.68
  4. Step 4: Simplify right side
    5,464.80x = 35,413,779.57
  5. Step 5: Solve for x
    x = 35,413,779.57/5,464.80
  6. Step 6: Final answer
    x = 6,480.34

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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.