Home / 4,905.80-7,347.90-2,954.60

Finding the Fourth Proportional to 4,905.80, 7,347.90 and 2,954.60

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Solution

The fourth proportional to 4,905.80, 7,347.90 and 2,954.60 is: 4,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.80 : 7,347.90 = 2,954.60 : x
  2. Step 2: Convert to fraction form
    4,905.80/7,347.90 = 2,954.60/x
  3. Step 3: Cross multiply
    4,905.80x = 7,347.90 × 2,954.60
  4. Step 4: Simplify right side
    4,905.80x = 21,710,105.34
  5. Step 5: Solve for x
    x = 21,710,105.34/4,905.80
  6. Step 6: Final answer
    x = 4,425.40

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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.