Home / 5,390.04-8,068.34-2,918.73

Finding the Fourth Proportional to 5,390.04, 8,068.34 and 2,918.73

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Solution

The fourth proportional to 5,390.04, 8,068.34 and 2,918.73 is: 4,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.04 : 8,068.34 = 2,918.73 : x
  2. Step 2: Convert to fraction form
    5,390.04/8,068.34 = 2,918.73/x
  3. Step 3: Cross multiply
    5,390.04x = 8,068.34 × 2,918.73
  4. Step 4: Simplify right side
    5,390.04x = 23,549,343.56
  5. Step 5: Solve for x
    x = 23,549,343.56/5,390.04
  6. Step 6: Final answer
    x = 4,369.04

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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.