Home / 4,270.47-6,397.40-2,415.98

Finding the Fourth Proportional to 4,270.47, 6,397.40 and 2,415.98

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Solution

The fourth proportional to 4,270.47, 6,397.40 and 2,415.98 is: 3,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.47 : 6,397.40 = 2,415.98 : x
  2. Step 2: Convert to fraction form
    4,270.47/6,397.40 = 2,415.98/x
  3. Step 3: Cross multiply
    4,270.47x = 6,397.40 × 2,415.98
  4. Step 4: Simplify right side
    4,270.47x = 15,455,946.39
  5. Step 5: Solve for x
    x = 15,455,946.39/4,270.47
  6. Step 6: Final answer
    x = 3,619.26

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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.