Home / 4,879.95-7,319.85-1,182.16

Finding the Fourth Proportional to 4,879.95, 7,319.85 and 1,182.16

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Solution

The fourth proportional to 4,879.95, 7,319.85 and 1,182.16 is: 1,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.95 : 7,319.85 = 1,182.16 : x
  2. Step 2: Convert to fraction form
    4,879.95/7,319.85 = 1,182.16/x
  3. Step 3: Cross multiply
    4,879.95x = 7,319.85 × 1,182.16
  4. Step 4: Simplify right side
    4,879.95x = 8,653,233.88
  5. Step 5: Solve for x
    x = 8,653,233.88/4,879.95
  6. Step 6: Final answer
    x = 1,773.22

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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.