Home / 8,742.66-12,064.83-4,763.94

Finding the Fourth Proportional to 8,742.66, 12,064.83 and 4,763.94

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Solution

The fourth proportional to 8,742.66, 12,064.83 and 4,763.94 is: 6,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.66 : 12,064.83 = 4,763.94 : x
  2. Step 2: Convert to fraction form
    8,742.66/12,064.83 = 4,763.94/x
  3. Step 3: Cross multiply
    8,742.66x = 12,064.83 × 4,763.94
  4. Step 4: Simplify right side
    8,742.66x = 57,476,126.23
  5. Step 5: Solve for x
    x = 57,476,126.23/8,742.66
  6. Step 6: Final answer
    x = 6,574.21

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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.