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Finding the Fourth Proportional to 4,607.34, 6,913.05 and 2,415.55

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Solution

The fourth proportional to 4,607.34, 6,913.05 and 2,415.55 is: 3,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.34 : 6,913.05 = 2,415.55 : x
  2. Step 2: Convert to fraction form
    4,607.34/6,913.05 = 2,415.55/x
  3. Step 3: Cross multiply
    4,607.34x = 6,913.05 × 2,415.55
  4. Step 4: Simplify right side
    4,607.34x = 16,698,783.36
  5. Step 5: Solve for x
    x = 16,698,783.36/4,607.34
  6. Step 6: Final answer
    x = 3,624.39

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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.