Home / 7,985.40-11,019.24-4,582.44

Finding the Fourth Proportional to 7,985.40, 11,019.24 and 4,582.44

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Solution

The fourth proportional to 7,985.40, 11,019.24 and 4,582.44 is: 6,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.40 : 11,019.24 = 4,582.44 : x
  2. Step 2: Convert to fraction form
    7,985.40/11,019.24 = 4,582.44/x
  3. Step 3: Cross multiply
    7,985.40x = 11,019.24 × 4,582.44
  4. Step 4: Simplify right side
    7,985.40x = 50,495,006.15
  5. Step 5: Solve for x
    x = 50,495,006.15/7,985.40
  6. Step 6: Final answer
    x = 6,323.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.