Home / 6,459.48-9,688.28-3,081.51

Finding the Fourth Proportional to 6,459.48, 9,688.28 and 3,081.51

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Solution

The fourth proportional to 6,459.48, 9,688.28 and 3,081.51 is: 4,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.48 : 9,688.28 = 3,081.51 : x
  2. Step 2: Convert to fraction form
    6,459.48/9,688.28 = 3,081.51/x
  3. Step 3: Cross multiply
    6,459.48x = 9,688.28 × 3,081.51
  4. Step 4: Simplify right side
    6,459.48x = 29,854,516.30
  5. Step 5: Solve for x
    x = 29,854,516.30/6,459.48
  6. Step 6: Final answer
    x = 4,621.81

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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.