Home / 10,390.48-15,582.06-2,992.96

Finding the Fourth Proportional to 10,390.48, 15,582.06 and 2,992.96

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Solution

The fourth proportional to 10,390.48, 15,582.06 and 2,992.96 is: 4,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.48 : 15,582.06 = 2,992.96 : x
  2. Step 2: Convert to fraction form
    10,390.48/15,582.06 = 2,992.96/x
  3. Step 3: Cross multiply
    10,390.48x = 15,582.06 × 2,992.96
  4. Step 4: Simplify right side
    10,390.48x = 46,636,482.30
  5. Step 5: Solve for x
    x = 46,636,482.30/10,390.48
  6. Step 6: Final answer
    x = 4,488.39

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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.