Home / 9,156.02-13,742.28-4,776.56

Finding the Fourth Proportional to 9,156.02, 13,742.28 and 4,776.56

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Solution

The fourth proportional to 9,156.02, 13,742.28 and 4,776.56 is: 7,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.02 : 13,742.28 = 4,776.56 : x
  2. Step 2: Convert to fraction form
    9,156.02/13,742.28 = 4,776.56/x
  3. Step 3: Cross multiply
    9,156.02x = 13,742.28 × 4,776.56
  4. Step 4: Simplify right side
    9,156.02x = 65,640,756.25
  5. Step 5: Solve for x
    x = 65,640,756.25/9,156.02
  6. Step 6: Final answer
    x = 7,169.14

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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.