Home / 5,585.32-8,374.38-1,688.68

Finding the Fourth Proportional to 5,585.32, 8,374.38 and 1,688.68

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Solution

The fourth proportional to 5,585.32, 8,374.38 and 1,688.68 is: 2,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.32 : 8,374.38 = 1,688.68 : x
  2. Step 2: Convert to fraction form
    5,585.32/8,374.38 = 1,688.68/x
  3. Step 3: Cross multiply
    5,585.32x = 8,374.38 × 1,688.68
  4. Step 4: Simplify right side
    5,585.32x = 14,141,648.02
  5. Step 5: Solve for x
    x = 14,141,648.02/5,585.32
  6. Step 6: Final answer
    x = 2,531.93

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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.