Home / 5,280.36-7,921.65-1,582.59

Finding the Fourth Proportional to 5,280.36, 7,921.65 and 1,582.59

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Solution

The fourth proportional to 5,280.36, 7,921.65 and 1,582.59 is: 2,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.36 : 7,921.65 = 1,582.59 : x
  2. Step 2: Convert to fraction form
    5,280.36/7,921.65 = 1,582.59/x
  3. Step 3: Cross multiply
    5,280.36x = 7,921.65 × 1,582.59
  4. Step 4: Simplify right side
    5,280.36x = 12,536,724.07
  5. Step 5: Solve for x
    x = 12,536,724.07/5,280.36
  6. Step 6: Final answer
    x = 2,374.22

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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.