Home / 6,828.10-10,242.25-1,897.63

Finding the Fourth Proportional to 6,828.10, 10,242.25 and 1,897.63

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Solution

The fourth proportional to 6,828.10, 10,242.25 and 1,897.63 is: 2,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.10 : 10,242.25 = 1,897.63 : x
  2. Step 2: Convert to fraction form
    6,828.10/10,242.25 = 1,897.63/x
  3. Step 3: Cross multiply
    6,828.10x = 10,242.25 × 1,897.63
  4. Step 4: Simplify right side
    6,828.10x = 19,435,970.52
  5. Step 5: Solve for x
    x = 19,435,970.52/6,828.10
  6. Step 6: Final answer
    x = 2,846.47

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Similar ratio
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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.