Home / 6,534.74-9,018.45-3,702.80

Finding the Fourth Proportional to 6,534.74, 9,018.45 and 3,702.80

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Solution

The fourth proportional to 6,534.74, 9,018.45 and 3,702.80 is: 5,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,534.74 : 9,018.45 = 3,702.80 : x
  2. Step 2: Convert to fraction form
    6,534.74/9,018.45 = 3,702.80/x
  3. Step 3: Cross multiply
    6,534.74x = 9,018.45 × 3,702.80
  4. Step 4: Simplify right side
    6,534.74x = 33,393,539.21
  5. Step 5: Solve for x
    x = 33,393,539.21/6,534.74
  6. Step 6: Final answer
    x = 5,110.15

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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.