Home / 10,390.52-15,582.96-4,838.42

Finding the Fourth Proportional to 10,390.52, 15,582.96 and 4,838.42

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Solution

The fourth proportional to 10,390.52, 15,582.96 and 4,838.42 is: 7,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.52 : 15,582.96 = 4,838.42 : x
  2. Step 2: Convert to fraction form
    10,390.52/15,582.96 = 4,838.42/x
  3. Step 3: Cross multiply
    10,390.52x = 15,582.96 × 4,838.42
  4. Step 4: Simplify right side
    10,390.52x = 75,396,827.41
  5. Step 5: Solve for x
    x = 75,396,827.41/10,390.52
  6. Step 6: Final answer
    x = 7,256.31

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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.