Home / 5,184.40-7,767.96-3,642.64

Finding the Fourth Proportional to 5,184.40, 7,767.96 and 3,642.64

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Solution

The fourth proportional to 5,184.40, 7,767.96 and 3,642.64 is: 5,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.40 : 7,767.96 = 3,642.64 : x
  2. Step 2: Convert to fraction form
    5,184.40/7,767.96 = 3,642.64/x
  3. Step 3: Cross multiply
    5,184.40x = 7,767.96 × 3,642.64
  4. Step 4: Simplify right side
    5,184.40x = 28,295,881.81
  5. Step 5: Solve for x
    x = 28,295,881.81/5,184.40
  6. Step 6: Final answer
    x = 5,457.89

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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.