Home / 4,210.40-6,317.76-1,747.28

Finding the Fourth Proportional to 4,210.40, 6,317.76 and 1,747.28

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Solution

The fourth proportional to 4,210.40, 6,317.76 and 1,747.28 is: 2,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.40 : 6,317.76 = 1,747.28 : x
  2. Step 2: Convert to fraction form
    4,210.40/6,317.76 = 1,747.28/x
  3. Step 3: Cross multiply
    4,210.40x = 6,317.76 × 1,747.28
  4. Step 4: Simplify right side
    4,210.40x = 11,038,895.69
  5. Step 5: Solve for x
    x = 11,038,895.69/4,210.40
  6. Step 6: Final answer
    x = 2,621.82

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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.