Home / 6,631.98-9,150.48-4,271.28

Finding the Fourth Proportional to 6,631.98, 9,150.48 and 4,271.28

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Solution

The fourth proportional to 6,631.98, 9,150.48 and 4,271.28 is: 5,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.98 : 9,150.48 = 4,271.28 : x
  2. Step 2: Convert to fraction form
    6,631.98/9,150.48 = 4,271.28/x
  3. Step 3: Cross multiply
    6,631.98x = 9,150.48 × 4,271.28
  4. Step 4: Simplify right side
    6,631.98x = 39,084,262.21
  5. Step 5: Solve for x
    x = 39,084,262.21/6,631.98
  6. Step 6: Final answer
    x = 5,893.30

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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.