Home / 5,478.56-7,560.60-2,994.56

Finding the Fourth Proportional to 5,478.56, 7,560.60 and 2,994.56

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Solution

The fourth proportional to 5,478.56, 7,560.60 and 2,994.56 is: 4,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.56 : 7,560.60 = 2,994.56 : x
  2. Step 2: Convert to fraction form
    5,478.56/7,560.60 = 2,994.56/x
  3. Step 3: Cross multiply
    5,478.56x = 7,560.60 × 2,994.56
  4. Step 4: Simplify right side
    5,478.56x = 22,640,670.34
  5. Step 5: Solve for x
    x = 22,640,670.34/5,478.56
  6. Step 6: Final answer
    x = 4,132.60

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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.