Home / 8,290.90-11,437.84-5,454.64

Finding the Fourth Proportional to 8,290.90, 11,437.84 and 5,454.64

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Solution

The fourth proportional to 8,290.90, 11,437.84 and 5,454.64 is: 7,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.90 : 11,437.84 = 5,454.64 : x
  2. Step 2: Convert to fraction form
    8,290.90/11,437.84 = 5,454.64/x
  3. Step 3: Cross multiply
    8,290.90x = 11,437.84 × 5,454.64
  4. Step 4: Simplify right side
    8,290.90x = 62,389,299.58
  5. Step 5: Solve for x
    x = 62,389,299.58/8,290.90
  6. Step 6: Final answer
    x = 7,525.03

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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.