Home / 4,907.13-7,360.70-1,985.46

Finding the Fourth Proportional to 4,907.13, 7,360.70 and 1,985.46

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Solution

The fourth proportional to 4,907.13, 7,360.70 and 1,985.46 is: 2,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.13 : 7,360.70 = 1,985.46 : x
  2. Step 2: Convert to fraction form
    4,907.13/7,360.70 = 1,985.46/x
  3. Step 3: Cross multiply
    4,907.13x = 7,360.70 × 1,985.46
  4. Step 4: Simplify right side
    4,907.13x = 14,614,375.42
  5. Step 5: Solve for x
    x = 14,614,375.42/4,907.13
  6. Step 6: Final answer
    x = 2,978.19

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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.