Home / 5,827.12-8,742.04-1,667.18

Finding the Fourth Proportional to 5,827.12, 8,742.04 and 1,667.18

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Solution

The fourth proportional to 5,827.12, 8,742.04 and 1,667.18 is: 2,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.12 : 8,742.04 = 1,667.18 : x
  2. Step 2: Convert to fraction form
    5,827.12/8,742.04 = 1,667.18/x
  3. Step 3: Cross multiply
    5,827.12x = 8,742.04 × 1,667.18
  4. Step 4: Simplify right side
    5,827.12x = 14,574,571.93
  5. Step 5: Solve for x
    x = 14,574,571.93/5,827.12
  6. Step 6: Final answer
    x = 2,501.16

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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.