Home / 5,176.48-7,762.80-2,214.58

Finding the Fourth Proportional to 5,176.48, 7,762.80 and 2,214.58

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Solution

The fourth proportional to 5,176.48, 7,762.80 and 2,214.58 is: 3,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.48 : 7,762.80 = 2,214.58 : x
  2. Step 2: Convert to fraction form
    5,176.48/7,762.80 = 2,214.58/x
  3. Step 3: Cross multiply
    5,176.48x = 7,762.80 × 2,214.58
  4. Step 4: Simplify right side
    5,176.48x = 17,191,341.62
  5. Step 5: Solve for x
    x = 17,191,341.62/5,176.48
  6. Step 6: Final answer
    x = 3,321.05

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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.