Home / 4,702.43-7,054.58-1,415.38

Finding the Fourth Proportional to 4,702.43, 7,054.58 and 1,415.38

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Solution

The fourth proportional to 4,702.43, 7,054.58 and 1,415.38 is: 2,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.43 : 7,054.58 = 1,415.38 : x
  2. Step 2: Convert to fraction form
    4,702.43/7,054.58 = 1,415.38/x
  3. Step 3: Cross multiply
    4,702.43x = 7,054.58 × 1,415.38
  4. Step 4: Simplify right side
    4,702.43x = 9,984,911.44
  5. Step 5: Solve for x
    x = 9,984,911.44/4,702.43
  6. Step 6: Final answer
    x = 2,123.35

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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.