Home / 4,963.50-7,417.80-3,985.02

Finding the Fourth Proportional to 4,963.50, 7,417.80 and 3,985.02

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Solution

The fourth proportional to 4,963.50, 7,417.80 and 3,985.02 is: 5,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.50 : 7,417.80 = 3,985.02 : x
  2. Step 2: Convert to fraction form
    4,963.50/7,417.80 = 3,985.02/x
  3. Step 3: Cross multiply
    4,963.50x = 7,417.80 × 3,985.02
  4. Step 4: Simplify right side
    4,963.50x = 29,560,081.36
  5. Step 5: Solve for x
    x = 29,560,081.36/4,963.50
  6. Step 6: Final answer
    x = 5,955.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.