Home / 8,226.88-11,352.48-4,870.08

Finding the Fourth Proportional to 8,226.88, 11,352.48 and 4,870.08

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Solution

The fourth proportional to 8,226.88, 11,352.48 and 4,870.08 is: 6,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.88 : 11,352.48 = 4,870.08 : x
  2. Step 2: Convert to fraction form
    8,226.88/11,352.48 = 4,870.08/x
  3. Step 3: Cross multiply
    8,226.88x = 11,352.48 × 4,870.08
  4. Step 4: Simplify right side
    8,226.88x = 55,287,485.80
  5. Step 5: Solve for x
    x = 55,287,485.80/8,226.88
  6. Step 6: Final answer
    x = 6,720.35

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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.