Home / 8,291.45-11,440.87-4,754.00

Finding the Fourth Proportional to 8,291.45, 11,440.87 and 4,754.00

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Solution

The fourth proportional to 8,291.45, 11,440.87 and 4,754.00 is: 6,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.45 : 11,440.87 = 4,754.00 : x
  2. Step 2: Convert to fraction form
    8,291.45/11,440.87 = 4,754.00/x
  3. Step 3: Cross multiply
    8,291.45x = 11,440.87 × 4,754.00
  4. Step 4: Simplify right side
    8,291.45x = 54,389,826.89
  5. Step 5: Solve for x
    x = 54,389,826.89/8,291.45
  6. Step 6: Final answer
    x = 6,559.75

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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.