Home / 8,342.07-12,515.12-2,795.45

Finding the Fourth Proportional to 8,342.07, 12,515.12 and 2,795.45

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Solution

The fourth proportional to 8,342.07, 12,515.12 and 2,795.45 is: 4,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.07 : 12,515.12 = 2,795.45 : x
  2. Step 2: Convert to fraction form
    8,342.07/12,515.12 = 2,795.45/x
  3. Step 3: Cross multiply
    8,342.07x = 12,515.12 × 2,795.45
  4. Step 4: Simplify right side
    8,342.07x = 34,985,315.65
  5. Step 5: Solve for x
    x = 34,985,315.65/8,342.07
  6. Step 6: Final answer
    x = 4,193.84

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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.