Home / 6,723.52-9,279.24-4,070.90

Finding the Fourth Proportional to 6,723.52, 9,279.24 and 4,070.90

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Solution

The fourth proportional to 6,723.52, 9,279.24 and 4,070.90 is: 5,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.52 : 9,279.24 = 4,070.90 : x
  2. Step 2: Convert to fraction form
    6,723.52/9,279.24 = 4,070.90/x
  3. Step 3: Cross multiply
    6,723.52x = 9,279.24 × 4,070.90
  4. Step 4: Simplify right side
    6,723.52x = 37,774,858.12
  5. Step 5: Solve for x
    x = 37,774,858.12/6,723.52
  6. Step 6: Final answer
    x = 5,618.32

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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.