Home / 4,606.67-6,909.98-1,319.77

Finding the Fourth Proportional to 4,606.67, 6,909.98 and 1,319.77

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Solution

The fourth proportional to 4,606.67, 6,909.98 and 1,319.77 is: 1,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.67 : 6,909.98 = 1,319.77 : x
  2. Step 2: Convert to fraction form
    4,606.67/6,909.98 = 1,319.77/x
  3. Step 3: Cross multiply
    4,606.67x = 6,909.98 × 1,319.77
  4. Step 4: Simplify right side
    4,606.67x = 9,119,577.71
  5. Step 5: Solve for x
    x = 9,119,577.71/4,606.67
  6. Step 6: Final answer
    x = 1,979.65

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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.