Home / 4,210.86-6,315.44-1,436.03

Finding the Fourth Proportional to 4,210.86, 6,315.44 and 1,436.03

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Solution

The fourth proportional to 4,210.86, 6,315.44 and 1,436.03 is: 2,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.86 : 6,315.44 = 1,436.03 : x
  2. Step 2: Convert to fraction form
    4,210.86/6,315.44 = 1,436.03/x
  3. Step 3: Cross multiply
    4,210.86x = 6,315.44 × 1,436.03
  4. Step 4: Simplify right side
    4,210.86x = 9,069,154.12
  5. Step 5: Solve for x
    x = 9,069,154.12/4,210.86
  6. Step 6: Final answer
    x = 2,153.75

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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.