Home / 4,955-6,839.52-3,561.80

Finding the Fourth Proportional to 4,955, 6,839.52 and 3,561.80

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Solution

The fourth proportional to 4,955, 6,839.52 and 3,561.80 is: 4,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955 : 6,839.52 = 3,561.80 : x
  2. Step 2: Convert to fraction form
    4,955/6,839.52 = 3,561.80/x
  3. Step 3: Cross multiply
    4,955x = 6,839.52 × 3,561.80
  4. Step 4: Simplify right side
    4,955x = 24,361,002.34
  5. Step 5: Solve for x
    x = 24,361,002.34/4,955
  6. Step 6: Final answer
    x = 4,916.45

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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.