Home / 5,390.48-7,438.80-3,032.62

Finding the Fourth Proportional to 5,390.48, 7,438.80 and 3,032.62

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Solution

The fourth proportional to 5,390.48, 7,438.80 and 3,032.62 is: 4,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.48 : 7,438.80 = 3,032.62 : x
  2. Step 2: Convert to fraction form
    5,390.48/7,438.80 = 3,032.62/x
  3. Step 3: Cross multiply
    5,390.48x = 7,438.80 × 3,032.62
  4. Step 4: Simplify right side
    5,390.48x = 22,559,053.66
  5. Step 5: Solve for x
    x = 22,559,053.66/5,390.48
  6. Step 6: Final answer
    x = 4,184.98

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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.