Home / 9,146.02-13,718.71-3,877.64

Finding the Fourth Proportional to 9,146.02, 13,718.71 and 3,877.64

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Solution

The fourth proportional to 9,146.02, 13,718.71 and 3,877.64 is: 5,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.02 : 13,718.71 = 3,877.64 : x
  2. Step 2: Convert to fraction form
    9,146.02/13,718.71 = 3,877.64/x
  3. Step 3: Cross multiply
    9,146.02x = 13,718.71 × 3,877.64
  4. Step 4: Simplify right side
    9,146.02x = 53,196,130.66
  5. Step 5: Solve for x
    x = 53,196,130.66/9,146.02
  6. Step 6: Final answer
    x = 5,816.32

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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.