Home / 4,325.40-6,487.94-1,403.63

Finding the Fourth Proportional to 4,325.40, 6,487.94 and 1,403.63

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Solution

The fourth proportional to 4,325.40, 6,487.94 and 1,403.63 is: 2,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.40 : 6,487.94 = 1,403.63 : x
  2. Step 2: Convert to fraction form
    4,325.40/6,487.94 = 1,403.63/x
  3. Step 3: Cross multiply
    4,325.40x = 6,487.94 × 1,403.63
  4. Step 4: Simplify right side
    4,325.40x = 9,106,627.76
  5. Step 5: Solve for x
    x = 9,106,627.76/4,325.40
  6. Step 6: Final answer
    x = 2,105.38

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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.