Home / 8,742.18-12,064.26-4,763.28

Finding the Fourth Proportional to 8,742.18, 12,064.26 and 4,763.28

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Solution

The fourth proportional to 8,742.18, 12,064.26 and 4,763.28 is: 6,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.18 : 12,064.26 = 4,763.28 : x
  2. Step 2: Convert to fraction form
    8,742.18/12,064.26 = 4,763.28/x
  3. Step 3: Cross multiply
    8,742.18x = 12,064.26 × 4,763.28
  4. Step 4: Simplify right side
    8,742.18x = 57,465,388.05
  5. Step 5: Solve for x
    x = 57,465,388.05/8,742.18
  6. Step 6: Final answer
    x = 6,573.35

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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.