Home / 4,989.60-7,485.21-1,702.89

Finding the Fourth Proportional to 4,989.60, 7,485.21 and 1,702.89

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Solution

The fourth proportional to 4,989.60, 7,485.21 and 1,702.89 is: 2,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.60 : 7,485.21 = 1,702.89 : x
  2. Step 2: Convert to fraction form
    4,989.60/7,485.21 = 1,702.89/x
  3. Step 3: Cross multiply
    4,989.60x = 7,485.21 × 1,702.89
  4. Step 4: Simplify right side
    4,989.60x = 12,746,489.26
  5. Step 5: Solve for x
    x = 12,746,489.26/4,989.60
  6. Step 6: Final answer
    x = 2,554.61

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1.5x scale

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.