Home / 7,290.99-10,055.55-4,633.77

Finding the Fourth Proportional to 7,290.99, 10,055.55 and 4,633.77

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Solution

The fourth proportional to 7,290.99, 10,055.55 and 4,633.77 is: 6,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.99 : 10,055.55 = 4,633.77 : x
  2. Step 2: Convert to fraction form
    7,290.99/10,055.55 = 4,633.77/x
  3. Step 3: Cross multiply
    7,290.99x = 10,055.55 × 4,633.77
  4. Step 4: Simplify right side
    7,290.99x = 46,595,105.92
  5. Step 5: Solve for x
    x = 46,595,105.92/7,290.99
  6. Step 6: Final answer
    x = 6,390.78

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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.