Home / 4,669.45-6,444.59-2,990.77

Finding the Fourth Proportional to 4,669.45, 6,444.59 and 2,990.77

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Solution

The fourth proportional to 4,669.45, 6,444.59 and 2,990.77 is: 4,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.45 : 6,444.59 = 2,990.77 : x
  2. Step 2: Convert to fraction form
    4,669.45/6,444.59 = 2,990.77/x
  3. Step 3: Cross multiply
    4,669.45x = 6,444.59 × 2,990.77
  4. Step 4: Simplify right side
    4,669.45x = 19,274,255.37
  5. Step 5: Solve for x
    x = 19,274,255.37/4,669.45
  6. Step 6: Final answer
    x = 4,127.74

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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.