Home / 5,820-8,742.04-4,710.72

Finding the Fourth Proportional to 5,820, 8,742.04 and 4,710.72

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Solution

The fourth proportional to 5,820, 8,742.04 and 4,710.72 is: 7,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820 : 8,742.04 = 4,710.72 : x
  2. Step 2: Convert to fraction form
    5,820/8,742.04 = 4,710.72/x
  3. Step 3: Cross multiply
    5,820x = 8,742.04 × 4,710.72
  4. Step 4: Simplify right side
    5,820x = 41,181,302.67
  5. Step 5: Solve for x
    x = 41,181,302.67/5,820
  6. Step 6: Final answer
    x = 7,075.83

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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.