Home / 4,320.12-6,478.56-2,010

Finding the Fourth Proportional to 4,320.12, 6,478.56 and 2,010

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Solution

The fourth proportional to 4,320.12, 6,478.56 and 2,010 is: 3,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.12 : 6,478.56 = 2,010 : x
  2. Step 2: Convert to fraction form
    4,320.12/6,478.56 = 2,010/x
  3. Step 3: Cross multiply
    4,320.12x = 6,478.56 × 2,010
  4. Step 4: Simplify right side
    4,320.12x = 13,021,905.60
  5. Step 5: Solve for x
    x = 13,021,905.60/4,320.12
  6. Step 6: Final answer
    x = 3,014.25

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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.