Home / 7,979.72-11,010.36-4,835.32

Finding the Fourth Proportional to 7,979.72, 11,010.36 and 4,835.32

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Solution

The fourth proportional to 7,979.72, 11,010.36 and 4,835.32 is: 6,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.72 : 11,010.36 = 4,835.32 : x
  2. Step 2: Convert to fraction form
    7,979.72/11,010.36 = 4,835.32/x
  3. Step 3: Cross multiply
    7,979.72x = 11,010.36 × 4,835.32
  4. Step 4: Simplify right side
    7,979.72x = 53,238,613.92
  5. Step 5: Solve for x
    x = 53,238,613.92/7,979.72
  6. Step 6: Final answer
    x = 6,671.74

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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.