Home / 6,860.04-10,291.72-1,929.66

Finding the Fourth Proportional to 6,860.04, 10,291.72 and 1,929.66

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Solution

The fourth proportional to 6,860.04, 10,291.72 and 1,929.66 is: 2,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.04 : 10,291.72 = 1,929.66 : x
  2. Step 2: Convert to fraction form
    6,860.04/10,291.72 = 1,929.66/x
  3. Step 3: Cross multiply
    6,860.04x = 10,291.72 × 1,929.66
  4. Step 4: Simplify right side
    6,860.04x = 19,859,520.42
  5. Step 5: Solve for x
    x = 19,859,520.42/6,860.04
  6. Step 6: Final answer
    x = 2,894.96

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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.