Home / 4,560.88-6,839.64-1,638.40

Finding the Fourth Proportional to 4,560.88, 6,839.64 and 1,638.40

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Solution

The fourth proportional to 4,560.88, 6,839.64 and 1,638.40 is: 2,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,560.88 : 6,839.64 = 1,638.40 : x
  2. Step 2: Convert to fraction form
    4,560.88/6,839.64 = 1,638.40/x
  3. Step 3: Cross multiply
    4,560.88x = 6,839.64 × 1,638.40
  4. Step 4: Simplify right side
    4,560.88x = 11,206,066.18
  5. Step 5: Solve for x
    x = 11,206,066.18/4,560.88
  6. Step 6: Final answer
    x = 2,457.00

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1.5x scale

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.