Home / 4,748.07-7,120.49-1,827.39

Finding the Fourth Proportional to 4,748.07, 7,120.49 and 1,827.39

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Solution

The fourth proportional to 4,748.07, 7,120.49 and 1,827.39 is: 2,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.07 : 7,120.49 = 1,827.39 : x
  2. Step 2: Convert to fraction form
    4,748.07/7,120.49 = 1,827.39/x
  3. Step 3: Cross multiply
    4,748.07x = 7,120.49 × 1,827.39
  4. Step 4: Simplify right side
    4,748.07x = 13,011,903.08
  5. Step 5: Solve for x
    x = 13,011,903.08/4,748.07
  6. Step 6: Final answer
    x = 2,740.46

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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.