Home / 8,258.80-12,359.40-7,567.60

Finding the Fourth Proportional to 8,258.80, 12,359.40 and 7,567.60

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Solution

The fourth proportional to 8,258.80, 12,359.40 and 7,567.60 is: 11,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.80 : 12,359.40 = 7,567.60 : x
  2. Step 2: Convert to fraction form
    8,258.80/12,359.40 = 7,567.60/x
  3. Step 3: Cross multiply
    8,258.80x = 12,359.40 × 7,567.60
  4. Step 4: Simplify right side
    8,258.80x = 93,530,995.44
  5. Step 5: Solve for x
    x = 93,530,995.44/8,258.80
  6. Step 6: Final answer
    x = 11,325.01

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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.