Home / 6,460.18-9,688.98-1,778.97

Finding the Fourth Proportional to 6,460.18, 9,688.98 and 1,778.97

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Solution

The fourth proportional to 6,460.18, 9,688.98 and 1,778.97 is: 2,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.18 : 9,688.98 = 1,778.97 : x
  2. Step 2: Convert to fraction form
    6,460.18/9,688.98 = 1,778.97/x
  3. Step 3: Cross multiply
    6,460.18x = 9,688.98 × 1,778.97
  4. Step 4: Simplify right side
    6,460.18x = 17,236,447.76
  5. Step 5: Solve for x
    x = 17,236,447.76/6,460.18
  6. Step 6: Final answer
    x = 2,668.11

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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.