Home / 4,702.70-7,048.57-3,779.30

Finding the Fourth Proportional to 4,702.70, 7,048.57 and 3,779.30

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Solution

The fourth proportional to 4,702.70, 7,048.57 and 3,779.30 is: 5,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.70 : 7,048.57 = 3,779.30 : x
  2. Step 2: Convert to fraction form
    4,702.70/7,048.57 = 3,779.30/x
  3. Step 3: Cross multiply
    4,702.70x = 7,048.57 × 3,779.30
  4. Step 4: Simplify right side
    4,702.70x = 26,638,660.60
  5. Step 5: Solve for x
    x = 26,638,660.60/4,702.70
  6. Step 6: Final answer
    x = 5,664.55

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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.