Home / 5,582.16-8,374.80-1,686.60

Finding the Fourth Proportional to 5,582.16, 8,374.80 and 1,686.60

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Solution

The fourth proportional to 5,582.16, 8,374.80 and 1,686.60 is: 2,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.16 : 8,374.80 = 1,686.60 : x
  2. Step 2: Convert to fraction form
    5,582.16/8,374.80 = 1,686.60/x
  3. Step 3: Cross multiply
    5,582.16x = 8,374.80 × 1,686.60
  4. Step 4: Simplify right side
    5,582.16x = 14,124,937.68
  5. Step 5: Solve for x
    x = 14,124,937.68/5,582.16
  6. Step 6: Final answer
    x = 2,530.37

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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.