Home / 5,056.64-7,585.20-1,979.36

Finding the Fourth Proportional to 5,056.64, 7,585.20 and 1,979.36

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Solution

The fourth proportional to 5,056.64, 7,585.20 and 1,979.36 is: 2,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.64 : 7,585.20 = 1,979.36 : x
  2. Step 2: Convert to fraction form
    5,056.64/7,585.20 = 1,979.36/x
  3. Step 3: Cross multiply
    5,056.64x = 7,585.20 × 1,979.36
  4. Step 4: Simplify right side
    5,056.64x = 15,013,841.47
  5. Step 5: Solve for x
    x = 15,013,841.47/5,056.64
  6. Step 6: Final answer
    x = 2,969.13

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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.