Home / 6,999.19-10,498.71-2,838.21

Finding the Fourth Proportional to 6,999.19, 10,498.71 and 2,838.21

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Solution

The fourth proportional to 6,999.19, 10,498.71 and 2,838.21 is: 4,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.19 : 10,498.71 = 2,838.21 : x
  2. Step 2: Convert to fraction form
    6,999.19/10,498.71 = 2,838.21/x
  3. Step 3: Cross multiply
    6,999.19x = 10,498.71 × 2,838.21
  4. Step 4: Simplify right side
    6,999.19x = 29,797,543.71
  5. Step 5: Solve for x
    x = 29,797,543.71/6,999.19
  6. Step 6: Final answer
    x = 4,257.28

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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.