Home / 4,776.02-7,153.65-2,921.53

Finding the Fourth Proportional to 4,776.02, 7,153.65 and 2,921.53

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Solution

The fourth proportional to 4,776.02, 7,153.65 and 2,921.53 is: 4,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.02 : 7,153.65 = 2,921.53 : x
  2. Step 2: Convert to fraction form
    4,776.02/7,153.65 = 2,921.53/x
  3. Step 3: Cross multiply
    4,776.02x = 7,153.65 × 2,921.53
  4. Step 4: Simplify right side
    4,776.02x = 20,899,603.08
  5. Step 5: Solve for x
    x = 20,899,603.08/4,776.02
  6. Step 6: Final answer
    x = 4,375.95

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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.