Home / 4,675.54-7,012.10-1,387.86

Finding the Fourth Proportional to 4,675.54, 7,012.10 and 1,387.86

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Solution

The fourth proportional to 4,675.54, 7,012.10 and 1,387.86 is: 2,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.54 : 7,012.10 = 1,387.86 : x
  2. Step 2: Convert to fraction form
    4,675.54/7,012.10 = 1,387.86/x
  3. Step 3: Cross multiply
    4,675.54x = 7,012.10 × 1,387.86
  4. Step 4: Simplify right side
    4,675.54x = 9,731,813.11
  5. Step 5: Solve for x
    x = 9,731,813.11/4,675.54
  6. Step 6: Final answer
    x = 2,081.43

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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.