Home / 7,484.20-11,214.15-4,705.90

Finding the Fourth Proportional to 7,484.20, 11,214.15 and 4,705.90

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Solution

The fourth proportional to 7,484.20, 11,214.15 and 4,705.90 is: 7,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.20 : 11,214.15 = 4,705.90 : x
  2. Step 2: Convert to fraction form
    7,484.20/11,214.15 = 4,705.90/x
  3. Step 3: Cross multiply
    7,484.20x = 11,214.15 × 4,705.90
  4. Step 4: Simplify right side
    7,484.20x = 52,772,668.49
  5. Step 5: Solve for x
    x = 52,772,668.49/7,484.20
  6. Step 6: Final answer
    x = 7,051.21

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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.