Home / 4,784.51-7,177.30-2,187.11

Finding the Fourth Proportional to 4,784.51, 7,177.30 and 2,187.11

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Solution

The fourth proportional to 4,784.51, 7,177.30 and 2,187.11 is: 3,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.51 : 7,177.30 = 2,187.11 : x
  2. Step 2: Convert to fraction form
    4,784.51/7,177.30 = 2,187.11/x
  3. Step 3: Cross multiply
    4,784.51x = 7,177.30 × 2,187.11
  4. Step 4: Simplify right side
    4,784.51x = 15,697,503.25
  5. Step 5: Solve for x
    x = 15,697,503.25/4,784.51
  6. Step 6: Final answer
    x = 3,280.90

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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.