Home / 8,629.64-11,913.20-5,849.72

Finding the Fourth Proportional to 8,629.64, 11,913.20 and 5,849.72

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Solution

The fourth proportional to 8,629.64, 11,913.20 and 5,849.72 is: 8,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.64 : 11,913.20 = 5,849.72 : x
  2. Step 2: Convert to fraction form
    8,629.64/11,913.20 = 5,849.72/x
  3. Step 3: Cross multiply
    8,629.64x = 11,913.20 × 5,849.72
  4. Step 4: Simplify right side
    8,629.64x = 69,688,884.30
  5. Step 5: Solve for x
    x = 69,688,884.30/8,629.64
  6. Step 6: Final answer
    x = 8,075.53

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1.5x scale

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.