Home / 5,328.16-7,994.40-2,730.40

Finding the Fourth Proportional to 5,328.16, 7,994.40 and 2,730.40

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Solution

The fourth proportional to 5,328.16, 7,994.40 and 2,730.40 is: 4,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.16 : 7,994.40 = 2,730.40 : x
  2. Step 2: Convert to fraction form
    5,328.16/7,994.40 = 2,730.40/x
  3. Step 3: Cross multiply
    5,328.16x = 7,994.40 × 2,730.40
  4. Step 4: Simplify right side
    5,328.16x = 21,827,909.76
  5. Step 5: Solve for x
    x = 21,827,909.76/5,328.16
  6. Step 6: Final answer
    x = 4,096.71

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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.