Home / 8,742.36-12,064.39-4,763.46

Finding the Fourth Proportional to 8,742.36, 12,064.39 and 4,763.46

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Solution

The fourth proportional to 8,742.36, 12,064.39 and 4,763.46 is: 6,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.36 : 12,064.39 = 4,763.46 : x
  2. Step 2: Convert to fraction form
    8,742.36/12,064.39 = 4,763.46/x
  3. Step 3: Cross multiply
    8,742.36x = 12,064.39 × 4,763.46
  4. Step 4: Simplify right side
    8,742.36x = 57,468,239.19
  5. Step 5: Solve for x
    x = 57,468,239.19/8,742.36
  6. Step 6: Final answer
    x = 6,573.54

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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.