Home / 7,070.67-9,757.95-4,087.23

Finding the Fourth Proportional to 7,070.67, 9,757.95 and 4,087.23

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Solution

The fourth proportional to 7,070.67, 9,757.95 and 4,087.23 is: 5,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.67 : 9,757.95 = 4,087.23 : x
  2. Step 2: Convert to fraction form
    7,070.67/9,757.95 = 4,087.23/x
  3. Step 3: Cross multiply
    7,070.67x = 9,757.95 × 4,087.23
  4. Step 4: Simplify right side
    7,070.67x = 39,882,985.98
  5. Step 5: Solve for x
    x = 39,882,985.98/7,070.67
  6. Step 6: Final answer
    x = 5,640.62

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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.