Home / 6,191.80-8,528.70-5,068.60

Finding the Fourth Proportional to 6,191.80, 8,528.70 and 5,068.60

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Solution

The fourth proportional to 6,191.80, 8,528.70 and 5,068.60 is: 6,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.80 : 8,528.70 = 5,068.60 : x
  2. Step 2: Convert to fraction form
    6,191.80/8,528.70 = 5,068.60/x
  3. Step 3: Cross multiply
    6,191.80x = 8,528.70 × 5,068.60
  4. Step 4: Simplify right side
    6,191.80x = 43,228,568.82
  5. Step 5: Solve for x
    x = 43,228,568.82/6,191.80
  6. Step 6: Final answer
    x = 6,981.58

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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.