Home / 4,990.53-7,485.79-1,703.35

Finding the Fourth Proportional to 4,990.53, 7,485.79 and 1,703.35

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Solution

The fourth proportional to 4,990.53, 7,485.79 and 1,703.35 is: 2,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.53 : 7,485.79 = 1,703.35 : x
  2. Step 2: Convert to fraction form
    4,990.53/7,485.79 = 1,703.35/x
  3. Step 3: Cross multiply
    4,990.53x = 7,485.79 × 1,703.35
  4. Step 4: Simplify right side
    4,990.53x = 12,750,920.40
  5. Step 5: Solve for x
    x = 12,750,920.40/4,990.53
  6. Step 6: Final answer
    x = 2,555.02

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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.