Home / 6,459.76-9,688.72-2,076.65

Finding the Fourth Proportional to 6,459.76, 9,688.72 and 2,076.65

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Solution

The fourth proportional to 6,459.76, 9,688.72 and 2,076.65 is: 3,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.76 : 9,688.72 = 2,076.65 : x
  2. Step 2: Convert to fraction form
    6,459.76/9,688.72 = 2,076.65/x
  3. Step 3: Cross multiply
    6,459.76x = 9,688.72 × 2,076.65
  4. Step 4: Simplify right side
    6,459.76x = 20,120,080.39
  5. Step 5: Solve for x
    x = 20,120,080.39/6,459.76
  6. Step 6: Final answer
    x = 3,114.68

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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.