Home / 8,685.41-11,985.84-4,706.63

Finding the Fourth Proportional to 8,685.41, 11,985.84 and 4,706.63

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Solution

The fourth proportional to 8,685.41, 11,985.84 and 4,706.63 is: 6,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.41 : 11,985.84 = 4,706.63 : x
  2. Step 2: Convert to fraction form
    8,685.41/11,985.84 = 4,706.63/x
  3. Step 3: Cross multiply
    8,685.41x = 11,985.84 × 4,706.63
  4. Step 4: Simplify right side
    8,685.41x = 56,412,914.12
  5. Step 5: Solve for x
    x = 56,412,914.12/8,685.41
  6. Step 6: Final answer
    x = 6,495.14

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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.