Home / 4,756.85-6,563.40-2,987.81

Finding the Fourth Proportional to 4,756.85, 6,563.40 and 2,987.81

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Solution

The fourth proportional to 4,756.85, 6,563.40 and 2,987.81 is: 4,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.85 : 6,563.40 = 2,987.81 : x
  2. Step 2: Convert to fraction form
    4,756.85/6,563.40 = 2,987.81/x
  3. Step 3: Cross multiply
    4,756.85x = 6,563.40 × 2,987.81
  4. Step 4: Simplify right side
    4,756.85x = 19,610,192.15
  5. Step 5: Solve for x
    x = 19,610,192.15/4,756.85
  6. Step 6: Final answer
    x = 4,122.52

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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.