Home / 8,276.40-11,422.98-4,739.94

Finding the Fourth Proportional to 8,276.40, 11,422.98 and 4,739.94

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Solution

The fourth proportional to 8,276.40, 11,422.98 and 4,739.94 is: 6,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.40 : 11,422.98 = 4,739.94 : x
  2. Step 2: Convert to fraction form
    8,276.40/11,422.98 = 4,739.94/x
  3. Step 3: Cross multiply
    8,276.40x = 11,422.98 × 4,739.94
  4. Step 4: Simplify right side
    8,276.40x = 54,144,239.82
  5. Step 5: Solve for x
    x = 54,144,239.82/8,276.40
  6. Step 6: Final answer
    x = 6,542.00

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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.