Home / 4,084.32-6,124.15-1,890.91

Finding the Fourth Proportional to 4,084.32, 6,124.15 and 1,890.91

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Solution

The fourth proportional to 4,084.32, 6,124.15 and 1,890.91 is: 2,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.32 : 6,124.15 = 1,890.91 : x
  2. Step 2: Convert to fraction form
    4,084.32/6,124.15 = 1,890.91/x
  3. Step 3: Cross multiply
    4,084.32x = 6,124.15 × 1,890.91
  4. Step 4: Simplify right side
    4,084.32x = 11,580,176.40
  5. Step 5: Solve for x
    x = 11,580,176.40/4,084.32
  6. Step 6: Final answer
    x = 2,835.28

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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.