Home / 6,914.21-9,539.10-4,260.65

Finding the Fourth Proportional to 6,914.21, 9,539.10 and 4,260.65

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Solution

The fourth proportional to 6,914.21, 9,539.10 and 4,260.65 is: 5,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.21 : 9,539.10 = 4,260.65 : x
  2. Step 2: Convert to fraction form
    6,914.21/9,539.10 = 4,260.65/x
  3. Step 3: Cross multiply
    6,914.21x = 9,539.10 × 4,260.65
  4. Step 4: Simplify right side
    6,914.21x = 40,642,718.72
  5. Step 5: Solve for x
    x = 40,642,718.72/6,914.21
  6. Step 6: Final answer
    x = 5,878.15

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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.