Home / 4,877.27-7,315.87-1,955.53

Finding the Fourth Proportional to 4,877.27, 7,315.87 and 1,955.53

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Solution

The fourth proportional to 4,877.27, 7,315.87 and 1,955.53 is: 2,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.27 : 7,315.87 = 1,955.53 : x
  2. Step 2: Convert to fraction form
    4,877.27/7,315.87 = 1,955.53/x
  3. Step 3: Cross multiply
    4,877.27x = 7,315.87 × 1,955.53
  4. Step 4: Simplify right side
    4,877.27x = 14,306,403.26
  5. Step 5: Solve for x
    x = 14,306,403.26/4,877.27
  6. Step 6: Final answer
    x = 2,933.28

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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.