Home / 4,667.61-6,999.31-1,379.55

Finding the Fourth Proportional to 4,667.61, 6,999.31 and 1,379.55

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Solution

The fourth proportional to 4,667.61, 6,999.31 and 1,379.55 is: 2,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.61 : 6,999.31 = 1,379.55 : x
  2. Step 2: Convert to fraction form
    4,667.61/6,999.31 = 1,379.55/x
  3. Step 3: Cross multiply
    4,667.61x = 6,999.31 × 1,379.55
  4. Step 4: Simplify right side
    4,667.61x = 9,655,898.11
  5. Step 5: Solve for x
    x = 9,655,898.11/4,667.61
  6. Step 6: Final answer
    x = 2,068.70

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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.