Home / 6,897.81-10,350.87-2,515.65

Finding the Fourth Proportional to 6,897.81, 10,350.87 and 2,515.65

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Solution

The fourth proportional to 6,897.81, 10,350.87 and 2,515.65 is: 3,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.81 : 10,350.87 = 2,515.65 : x
  2. Step 2: Convert to fraction form
    6,897.81/10,350.87 = 2,515.65/x
  3. Step 3: Cross multiply
    6,897.81x = 10,350.87 × 2,515.65
  4. Step 4: Simplify right side
    6,897.81x = 26,039,166.12
  5. Step 5: Solve for x
    x = 26,039,166.12/6,897.81
  6. Step 6: Final answer
    x = 3,774.99

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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.