Home / 4,742.23-7,113.35-1,818.94

Finding the Fourth Proportional to 4,742.23, 7,113.35 and 1,818.94

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Solution

The fourth proportional to 4,742.23, 7,113.35 and 1,818.94 is: 2,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.23 : 7,113.35 = 1,818.94 : x
  2. Step 2: Convert to fraction form
    4,742.23/7,113.35 = 1,818.94/x
  3. Step 3: Cross multiply
    4,742.23x = 7,113.35 × 1,818.94
  4. Step 4: Simplify right side
    4,742.23x = 12,938,747.75
  5. Step 5: Solve for x
    x = 12,938,747.75/4,742.23
  6. Step 6: Final answer
    x = 2,728.41

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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.