Home / 6,887.55-10,318.05-4,116.45

Finding the Fourth Proportional to 6,887.55, 10,318.05 and 4,116.45

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Solution

The fourth proportional to 6,887.55, 10,318.05 and 4,116.45 is: 6,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.55 : 10,318.05 = 4,116.45 : x
  2. Step 2: Convert to fraction form
    6,887.55/10,318.05 = 4,116.45/x
  3. Step 3: Cross multiply
    6,887.55x = 10,318.05 × 4,116.45
  4. Step 4: Simplify right side
    6,887.55x = 42,473,736.92
  5. Step 5: Solve for x
    x = 42,473,736.92/6,887.55
  6. Step 6: Final answer
    x = 6,166.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.