Home / 6,258.78-9,387.81-1,876.32

Finding the Fourth Proportional to 6,258.78, 9,387.81 and 1,876.32

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Solution

The fourth proportional to 6,258.78, 9,387.81 and 1,876.32 is: 2,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.78 : 9,387.81 = 1,876.32 : x
  2. Step 2: Convert to fraction form
    6,258.78/9,387.81 = 1,876.32/x
  3. Step 3: Cross multiply
    6,258.78x = 9,387.81 × 1,876.32
  4. Step 4: Simplify right side
    6,258.78x = 17,614,535.66
  5. Step 5: Solve for x
    x = 17,614,535.66/6,258.78
  6. Step 6: Final answer
    x = 2,814.37

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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.