Home / 4,645.64-6,411.08-2,629.15

Finding the Fourth Proportional to 4,645.64, 6,411.08 and 2,629.15

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Solution

The fourth proportional to 4,645.64, 6,411.08 and 2,629.15 is: 3,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.64 : 6,411.08 = 2,629.15 : x
  2. Step 2: Convert to fraction form
    4,645.64/6,411.08 = 2,629.15/x
  3. Step 3: Cross multiply
    4,645.64x = 6,411.08 × 2,629.15
  4. Step 4: Simplify right side
    4,645.64x = 16,855,681.53
  5. Step 5: Solve for x
    x = 16,855,681.53/4,645.64
  6. Step 6: Final answer
    x = 3,628.28

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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.