Home / 5,987.44-8,981.40-1,605.28

Finding the Fourth Proportional to 5,987.44, 8,981.40 and 1,605.28

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Solution

The fourth proportional to 5,987.44, 8,981.40 and 1,605.28 is: 2,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.44 : 8,981.40 = 1,605.28 : x
  2. Step 2: Convert to fraction form
    5,987.44/8,981.40 = 1,605.28/x
  3. Step 3: Cross multiply
    5,987.44x = 8,981.40 × 1,605.28
  4. Step 4: Simplify right side
    5,987.44x = 14,417,661.79
  5. Step 5: Solve for x
    x = 14,417,661.79/5,987.44
  6. Step 6: Final answer
    x = 2,407.98

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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.