Home / 5,979.64-8,962.44-2,688.88

Finding the Fourth Proportional to 5,979.64, 8,962.44 and 2,688.88

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Solution

The fourth proportional to 5,979.64, 8,962.44 and 2,688.88 is: 4,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.64 : 8,962.44 = 2,688.88 : x
  2. Step 2: Convert to fraction form
    5,979.64/8,962.44 = 2,688.88/x
  3. Step 3: Cross multiply
    5,979.64x = 8,962.44 × 2,688.88
  4. Step 4: Simplify right side
    5,979.64x = 24,098,925.67
  5. Step 5: Solve for x
    x = 24,098,925.67/5,979.64
  6. Step 6: Final answer
    x = 4,030.16

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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.