Home / 7,070.22-9,756.99-3,926.70

Finding the Fourth Proportional to 7,070.22, 9,756.99 and 3,926.70

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Solution

The fourth proportional to 7,070.22, 9,756.99 and 3,926.70 is: 5,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.22 : 9,756.99 = 3,926.70 : x
  2. Step 2: Convert to fraction form
    7,070.22/9,756.99 = 3,926.70/x
  3. Step 3: Cross multiply
    7,070.22x = 9,756.99 × 3,926.70
  4. Step 4: Simplify right side
    7,070.22x = 38,312,772.63
  5. Step 5: Solve for x
    x = 38,312,772.63/7,070.22
  6. Step 6: Final answer
    x = 5,418.89

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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.