Home / 4,665.84-6,439.08-2,649.40

Finding the Fourth Proportional to 4,665.84, 6,439.08 and 2,649.40

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Solution

The fourth proportional to 4,665.84, 6,439.08 and 2,649.40 is: 3,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.84 : 6,439.08 = 2,649.40 : x
  2. Step 2: Convert to fraction form
    4,665.84/6,439.08 = 2,649.40/x
  3. Step 3: Cross multiply
    4,665.84x = 6,439.08 × 2,649.40
  4. Step 4: Simplify right side
    4,665.84x = 17,059,698.55
  5. Step 5: Solve for x
    x = 17,059,698.55/4,665.84
  6. Step 6: Final answer
    x = 3,656.30

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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.