Home / 6,858.32-10,287.86-1,927.58

Finding the Fourth Proportional to 6,858.32, 10,287.86 and 1,927.58

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Solution

The fourth proportional to 6,858.32, 10,287.86 and 1,927.58 is: 2,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.32 : 10,287.86 = 1,927.58 : x
  2. Step 2: Convert to fraction form
    6,858.32/10,287.86 = 1,927.58/x
  3. Step 3: Cross multiply
    6,858.32x = 10,287.86 × 1,927.58
  4. Step 4: Simplify right side
    6,858.32x = 19,830,612.10
  5. Step 5: Solve for x
    x = 19,830,612.10/6,858.32
  6. Step 6: Final answer
    x = 2,891.47

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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.