Home / 6,338.80-8,729.40-4,567.60

Finding the Fourth Proportional to 6,338.80, 8,729.40 and 4,567.60

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Solution

The fourth proportional to 6,338.80, 8,729.40 and 4,567.60 is: 6,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.80 : 8,729.40 = 4,567.60 : x
  2. Step 2: Convert to fraction form
    6,338.80/8,729.40 = 4,567.60/x
  3. Step 3: Cross multiply
    6,338.80x = 8,729.40 × 4,567.60
  4. Step 4: Simplify right side
    6,338.80x = 39,872,407.44
  5. Step 5: Solve for x
    x = 39,872,407.44/6,338.80
  6. Step 6: Final answer
    x = 6,290.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.