Home / 4,193.51-6,290.26-1,420.17

Finding the Fourth Proportional to 4,193.51, 6,290.26 and 1,420.17

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Solution

The fourth proportional to 4,193.51, 6,290.26 and 1,420.17 is: 2,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.51 : 6,290.26 = 1,420.17 : x
  2. Step 2: Convert to fraction form
    4,193.51/6,290.26 = 1,420.17/x
  3. Step 3: Cross multiply
    4,193.51x = 6,290.26 × 1,420.17
  4. Step 4: Simplify right side
    4,193.51x = 8,933,211.41
  5. Step 5: Solve for x
    x = 8,933,211.41/4,193.51
  6. Step 6: Final answer
    x = 2,130.25

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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.