Home / 8,830.89-13,247.57-2,985.93

Finding the Fourth Proportional to 8,830.89, 13,247.57 and 2,985.93

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Solution

The fourth proportional to 8,830.89, 13,247.57 and 2,985.93 is: 4,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.89 : 13,247.57 = 2,985.93 : x
  2. Step 2: Convert to fraction form
    8,830.89/13,247.57 = 2,985.93/x
  3. Step 3: Cross multiply
    8,830.89x = 13,247.57 × 2,985.93
  4. Step 4: Simplify right side
    8,830.89x = 39,556,301.76
  5. Step 5: Solve for x
    x = 39,556,301.76/8,830.89
  6. Step 6: Final answer
    x = 4,479.31

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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.