Home / 4,702.83-7,054.40-1,415.96

Finding the Fourth Proportional to 4,702.83, 7,054.40 and 1,415.96

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Solution

The fourth proportional to 4,702.83, 7,054.40 and 1,415.96 is: 2,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.83 : 7,054.40 = 1,415.96 : x
  2. Step 2: Convert to fraction form
    4,702.83/7,054.40 = 1,415.96/x
  3. Step 3: Cross multiply
    4,702.83x = 7,054.40 × 1,415.96
  4. Step 4: Simplify right side
    4,702.83x = 9,988,705.87
  5. Step 5: Solve for x
    x = 9,988,705.87/4,702.83
  6. Step 6: Final answer
    x = 2,123.98

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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.