Home / 4,688.63-7,032.92-1,401.72

Finding the Fourth Proportional to 4,688.63, 7,032.92 and 1,401.72

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Solution

The fourth proportional to 4,688.63, 7,032.92 and 1,401.72 is: 2,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.63 : 7,032.92 = 1,401.72 : x
  2. Step 2: Convert to fraction form
    4,688.63/7,032.92 = 1,401.72/x
  3. Step 3: Cross multiply
    4,688.63x = 7,032.92 × 1,401.72
  4. Step 4: Simplify right side
    4,688.63x = 9,858,184.62
  5. Step 5: Solve for x
    x = 9,858,184.62/4,688.63
  6. Step 6: Final answer
    x = 2,102.57

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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.