Home / 6,860.86-10,291.05-2,909.58

Finding the Fourth Proportional to 6,860.86, 10,291.05 and 2,909.58

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Solution

The fourth proportional to 6,860.86, 10,291.05 and 2,909.58 is: 4,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.86 : 10,291.05 = 2,909.58 : x
  2. Step 2: Convert to fraction form
    6,860.86/10,291.05 = 2,909.58/x
  3. Step 3: Cross multiply
    6,860.86x = 10,291.05 × 2,909.58
  4. Step 4: Simplify right side
    6,860.86x = 29,942,594.67
  5. Step 5: Solve for x
    x = 29,942,594.67/6,860.86
  6. Step 6: Final answer
    x = 4,364.26

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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.