Home / 5,672.06-8,508.40-1,776.77

Finding the Fourth Proportional to 5,672.06, 8,508.40 and 1,776.77

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Solution

The fourth proportional to 5,672.06, 8,508.40 and 1,776.77 is: 2,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.06 : 8,508.40 = 1,776.77 : x
  2. Step 2: Convert to fraction form
    5,672.06/8,508.40 = 1,776.77/x
  3. Step 3: Cross multiply
    5,672.06x = 8,508.40 × 1,776.77
  4. Step 4: Simplify right side
    5,672.06x = 15,117,486.70
  5. Step 5: Solve for x
    x = 15,117,486.70/5,672.06
  6. Step 6: Final answer
    x = 2,665.25

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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.