Home / 6,430.84-9,644.80-1,814.20

Finding the Fourth Proportional to 6,430.84, 9,644.80 and 1,814.20

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Solution

The fourth proportional to 6,430.84, 9,644.80 and 1,814.20 is: 2,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.84 : 9,644.80 = 1,814.20 : x
  2. Step 2: Convert to fraction form
    6,430.84/9,644.80 = 1,814.20/x
  3. Step 3: Cross multiply
    6,430.84x = 9,644.80 × 1,814.20
  4. Step 4: Simplify right side
    6,430.84x = 17,497,596.16
  5. Step 5: Solve for x
    x = 17,497,596.16/6,430.84
  6. Step 6: Final answer
    x = 2,720.89

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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.