Home / 4,989.63-6,879.57-4,041.93

Finding the Fourth Proportional to 4,989.63, 6,879.57 and 4,041.93

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Solution

The fourth proportional to 4,989.63, 6,879.57 and 4,041.93 is: 5,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.63 : 6,879.57 = 4,041.93 : x
  2. Step 2: Convert to fraction form
    4,989.63/6,879.57 = 4,041.93/x
  3. Step 3: Cross multiply
    4,989.63x = 6,879.57 × 4,041.93
  4. Step 4: Simplify right side
    4,989.63x = 27,806,740.37
  5. Step 5: Solve for x
    x = 27,806,740.37/4,989.63
  6. Step 6: Final answer
    x = 5,572.91

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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.