Home / 6,428.93-8,878.25-4,444.61

Finding the Fourth Proportional to 6,428.93, 8,878.25 and 4,444.61

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Solution

The fourth proportional to 6,428.93, 8,878.25 and 4,444.61 is: 6,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.93 : 8,878.25 = 4,444.61 : x
  2. Step 2: Convert to fraction form
    6,428.93/8,878.25 = 4,444.61/x
  3. Step 3: Cross multiply
    6,428.93x = 8,878.25 × 4,444.61
  4. Step 4: Simplify right side
    6,428.93x = 39,460,336.51
  5. Step 5: Solve for x
    x = 39,460,336.51/6,428.93
  6. Step 6: Final answer
    x = 6,137.93

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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.