Home / 5,347.30-8,020.80-2,425.60

Finding the Fourth Proportional to 5,347.30, 8,020.80 and 2,425.60

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Solution

The fourth proportional to 5,347.30, 8,020.80 and 2,425.60 is: 3,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.30 : 8,020.80 = 2,425.60 : x
  2. Step 2: Convert to fraction form
    5,347.30/8,020.80 = 2,425.60/x
  3. Step 3: Cross multiply
    5,347.30x = 8,020.80 × 2,425.60
  4. Step 4: Simplify right side
    5,347.30x = 19,455,252.48
  5. Step 5: Solve for x
    x = 19,455,252.48/5,347.30
  6. Step 6: Final answer
    x = 3,638.33

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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.