Home / 6,860.21-10,281.87-3,901.13

Finding the Fourth Proportional to 6,860.21, 10,281.87 and 3,901.13

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Solution

The fourth proportional to 6,860.21, 10,281.87 and 3,901.13 is: 5,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.21 : 10,281.87 = 3,901.13 : x
  2. Step 2: Convert to fraction form
    6,860.21/10,281.87 = 3,901.13/x
  3. Step 3: Cross multiply
    6,860.21x = 10,281.87 × 3,901.13
  4. Step 4: Simplify right side
    6,860.21x = 40,110,911.51
  5. Step 5: Solve for x
    x = 40,110,911.51/6,860.21
  6. Step 6: Final answer
    x = 5,846.90

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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.