Home / 5,108.88-7,053.48-3,536.40

Finding the Fourth Proportional to 5,108.88, 7,053.48 and 3,536.40

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Solution

The fourth proportional to 5,108.88, 7,053.48 and 3,536.40 is: 4,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.88 : 7,053.48 = 3,536.40 : x
  2. Step 2: Convert to fraction form
    5,108.88/7,053.48 = 3,536.40/x
  3. Step 3: Cross multiply
    5,108.88x = 7,053.48 × 3,536.40
  4. Step 4: Simplify right side
    5,108.88x = 24,943,926.67
  5. Step 5: Solve for x
    x = 24,943,926.67/5,108.88
  6. Step 6: Final answer
    x = 4,882.46

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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.