Home / 6,384.58-8,807.90-4,258.07

Finding the Fourth Proportional to 6,384.58, 8,807.90 and 4,258.07

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Solution

The fourth proportional to 6,384.58, 8,807.90 and 4,258.07 is: 5,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.58 : 8,807.90 = 4,258.07 : x
  2. Step 2: Convert to fraction form
    6,384.58/8,807.90 = 4,258.07/x
  3. Step 3: Cross multiply
    6,384.58x = 8,807.90 × 4,258.07
  4. Step 4: Simplify right side
    6,384.58x = 37,504,654.75
  5. Step 5: Solve for x
    x = 37,504,654.75/6,384.58
  6. Step 6: Final answer
    x = 5,874.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.