Home / 6,316.47-8,717.76-4,084.92

Finding the Fourth Proportional to 6,316.47, 8,717.76 and 4,084.92

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Solution

The fourth proportional to 6,316.47, 8,717.76 and 4,084.92 is: 5,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.47 : 8,717.76 = 4,084.92 : x
  2. Step 2: Convert to fraction form
    6,316.47/8,717.76 = 4,084.92/x
  3. Step 3: Cross multiply
    6,316.47x = 8,717.76 × 4,084.92
  4. Step 4: Simplify right side
    6,316.47x = 35,611,352.18
  5. Step 5: Solve for x
    x = 35,611,352.18/6,316.47
  6. Step 6: Final answer
    x = 5,637.86

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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.