Home / 4,877.55-6,731.00-2,639.46

Finding the Fourth Proportional to 4,877.55, 6,731.00 and 2,639.46

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Solution

The fourth proportional to 4,877.55, 6,731.00 and 2,639.46 is: 3,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.55 : 6,731.00 = 2,639.46 : x
  2. Step 2: Convert to fraction form
    4,877.55/6,731.00 = 2,639.46/x
  3. Step 3: Cross multiply
    4,877.55x = 6,731.00 × 2,639.46
  4. Step 4: Simplify right side
    4,877.55x = 17,766,192.06
  5. Step 5: Solve for x
    x = 17,766,192.06/4,877.55
  6. Step 6: Final answer
    x = 3,642.45

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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.