Home / 6,844.80-9,445.68-4,051.20

Finding the Fourth Proportional to 6,844.80, 9,445.68 and 4,051.20

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Solution

The fourth proportional to 6,844.80, 9,445.68 and 4,051.20 is: 5,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,844.80 : 9,445.68 = 4,051.20 : x
  2. Step 2: Convert to fraction form
    6,844.80/9,445.68 = 4,051.20/x
  3. Step 3: Cross multiply
    6,844.80x = 9,445.68 × 4,051.20
  4. Step 4: Simplify right side
    6,844.80x = 38,266,338.82
  5. Step 5: Solve for x
    x = 38,266,338.82/6,844.80
  6. Step 6: Final answer
    x = 5,590.57

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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.