Home / 4,877.88-7,318.20-2,656.26

Finding the Fourth Proportional to 4,877.88, 7,318.20 and 2,656.26

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Solution

The fourth proportional to 4,877.88, 7,318.20 and 2,656.26 is: 3,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.88 : 7,318.20 = 2,656.26 : x
  2. Step 2: Convert to fraction form
    4,877.88/7,318.20 = 2,656.26/x
  3. Step 3: Cross multiply
    4,877.88x = 7,318.20 × 2,656.26
  4. Step 4: Simplify right side
    4,877.88x = 19,439,041.93
  5. Step 5: Solve for x
    x = 19,439,041.93/4,877.88
  6. Step 6: Final answer
    x = 3,985.14

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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.