Home / 4,620.84-6,925.49-1,985.25

Finding the Fourth Proportional to 4,620.84, 6,925.49 and 1,985.25

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Solution

The fourth proportional to 4,620.84, 6,925.49 and 1,985.25 is: 2,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.84 : 6,925.49 = 1,985.25 : x
  2. Step 2: Convert to fraction form
    4,620.84/6,925.49 = 1,985.25/x
  3. Step 3: Cross multiply
    4,620.84x = 6,925.49 × 1,985.25
  4. Step 4: Simplify right side
    4,620.84x = 13,748,819.10
  5. Step 5: Solve for x
    x = 13,748,819.10/4,620.84
  6. Step 6: Final answer
    x = 2,975.39

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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.