Home / 4,639.02-6,401.84-2,649.46

Finding the Fourth Proportional to 4,639.02, 6,401.84 and 2,649.46

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Solution

The fourth proportional to 4,639.02, 6,401.84 and 2,649.46 is: 3,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.02 : 6,401.84 = 2,649.46 : x
  2. Step 2: Convert to fraction form
    4,639.02/6,401.84 = 2,649.46/x
  3. Step 3: Cross multiply
    4,639.02x = 6,401.84 × 2,649.46
  4. Step 4: Simplify right side
    4,639.02x = 16,961,401.76
  5. Step 5: Solve for x
    x = 16,961,401.76/4,639.02
  6. Step 6: Final answer
    x = 3,656.25

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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.