Home / 8,742.05-12,063.99-4,763.15

Finding the Fourth Proportional to 8,742.05, 12,063.99 and 4,763.15

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Solution

The fourth proportional to 8,742.05, 12,063.99 and 4,763.15 is: 6,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.05 : 12,063.99 = 4,763.15 : x
  2. Step 2: Convert to fraction form
    8,742.05/12,063.99 = 4,763.15/x
  3. Step 3: Cross multiply
    8,742.05x = 12,063.99 × 4,763.15
  4. Step 4: Simplify right side
    8,742.05x = 57,462,533.65
  5. Step 5: Solve for x
    x = 57,462,533.65/8,742.05
  6. Step 6: Final answer
    x = 6,573.12

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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.