Home / 4,989.09-7,484.81-1,702.19

Finding the Fourth Proportional to 4,989.09, 7,484.81 and 1,702.19

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Solution

The fourth proportional to 4,989.09, 7,484.81 and 1,702.19 is: 2,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.09 : 7,484.81 = 1,702.19 : x
  2. Step 2: Convert to fraction form
    4,989.09/7,484.81 = 1,702.19/x
  3. Step 3: Cross multiply
    4,989.09x = 7,484.81 × 1,702.19
  4. Step 4: Simplify right side
    4,989.09x = 12,740,578.93
  5. Step 5: Solve for x
    x = 12,740,578.93/4,989.09
  6. Step 6: Final answer
    x = 2,553.69

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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.