Home / 6,290.73-8,681.40-3,458.32

Finding the Fourth Proportional to 6,290.73, 8,681.40 and 3,458.32

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Solution

The fourth proportional to 6,290.73, 8,681.40 and 3,458.32 is: 4,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.73 : 8,681.40 = 3,458.32 : x
  2. Step 2: Convert to fraction form
    6,290.73/8,681.40 = 3,458.32/x
  3. Step 3: Cross multiply
    6,290.73x = 8,681.40 × 3,458.32
  4. Step 4: Simplify right side
    6,290.73x = 30,023,023.75
  5. Step 5: Solve for x
    x = 30,023,023.75/6,290.73
  6. Step 6: Final answer
    x = 4,772.58

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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.