Home / 7,644.30-11,444.58-4,702.80

Finding the Fourth Proportional to 7,644.30, 11,444.58 and 4,702.80

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Solution

The fourth proportional to 7,644.30, 11,444.58 and 4,702.80 is: 7,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.30 : 11,444.58 = 4,702.80 : x
  2. Step 2: Convert to fraction form
    7,644.30/11,444.58 = 4,702.80/x
  3. Step 3: Cross multiply
    7,644.30x = 11,444.58 × 4,702.80
  4. Step 4: Simplify right side
    7,644.30x = 53,821,570.82
  5. Step 5: Solve for x
    x = 53,821,570.82/7,644.30
  6. Step 6: Final answer
    x = 7,040.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.