Home / 7,551.45-10,420.83-4,194.07

Finding the Fourth Proportional to 7,551.45, 10,420.83 and 4,194.07

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Solution

The fourth proportional to 7,551.45, 10,420.83 and 4,194.07 is: 5,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.45 : 10,420.83 = 4,194.07 : x
  2. Step 2: Convert to fraction form
    7,551.45/10,420.83 = 4,194.07/x
  3. Step 3: Cross multiply
    7,551.45x = 10,420.83 × 4,194.07
  4. Step 4: Simplify right side
    7,551.45x = 43,705,690.48
  5. Step 5: Solve for x
    x = 43,705,690.48/7,551.45
  6. Step 6: Final answer
    x = 5,787.72

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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.