Home / 6,405.14-8,838.69-3,572.93

Finding the Fourth Proportional to 6,405.14, 8,838.69 and 3,572.93

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Solution

The fourth proportional to 6,405.14, 8,838.69 and 3,572.93 is: 4,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.14 : 8,838.69 = 3,572.93 : x
  2. Step 2: Convert to fraction form
    6,405.14/8,838.69 = 3,572.93/x
  3. Step 3: Cross multiply
    6,405.14x = 8,838.69 × 3,572.93
  4. Step 4: Simplify right side
    6,405.14x = 31,580,020.66
  5. Step 5: Solve for x
    x = 31,580,020.66/6,405.14
  6. Step 6: Final answer
    x = 4,930.42

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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.