Home / 4,774.35-7,160.30-1,485.75

Finding the Fourth Proportional to 4,774.35, 7,160.30 and 1,485.75

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Solution

The fourth proportional to 4,774.35, 7,160.30 and 1,485.75 is: 2,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.35 : 7,160.30 = 1,485.75 : x
  2. Step 2: Convert to fraction form
    4,774.35/7,160.30 = 1,485.75/x
  3. Step 3: Cross multiply
    4,774.35x = 7,160.30 × 1,485.75
  4. Step 4: Simplify right side
    4,774.35x = 10,638,440.72
  5. Step 5: Solve for x
    x = 10,638,440.72/4,774.35
  6. Step 6: Final answer
    x = 2,228.25

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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.