Home / 4,721.56-7,083.38-1,434.90

Finding the Fourth Proportional to 4,721.56, 7,083.38 and 1,434.90

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Solution

The fourth proportional to 4,721.56, 7,083.38 and 1,434.90 is: 2,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.56 : 7,083.38 = 1,434.90 : x
  2. Step 2: Convert to fraction form
    4,721.56/7,083.38 = 1,434.90/x
  3. Step 3: Cross multiply
    4,721.56x = 7,083.38 × 1,434.90
  4. Step 4: Simplify right side
    4,721.56x = 10,163,941.96
  5. Step 5: Solve for x
    x = 10,163,941.96/4,721.56
  6. Step 6: Final answer
    x = 2,152.67

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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.