Home / 6,261.40-9,393.18-1,878.36

Finding the Fourth Proportional to 6,261.40, 9,393.18 and 1,878.36

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Solution

The fourth proportional to 6,261.40, 9,393.18 and 1,878.36 is: 2,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.40 : 9,393.18 = 1,878.36 : x
  2. Step 2: Convert to fraction form
    6,261.40/9,393.18 = 1,878.36/x
  3. Step 3: Cross multiply
    6,261.40x = 9,393.18 × 1,878.36
  4. Step 4: Simplify right side
    6,261.40x = 17,643,773.58
  5. Step 5: Solve for x
    x = 17,643,773.58/6,261.40
  6. Step 6: Final answer
    x = 2,817.86

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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.