Home / 4,459.06-6,688.32-1,381.06

Finding the Fourth Proportional to 4,459.06, 6,688.32 and 1,381.06

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Solution

The fourth proportional to 4,459.06, 6,688.32 and 1,381.06 is: 2,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.06 : 6,688.32 = 1,381.06 : x
  2. Step 2: Convert to fraction form
    4,459.06/6,688.32 = 1,381.06/x
  3. Step 3: Cross multiply
    4,459.06x = 6,688.32 × 1,381.06
  4. Step 4: Simplify right side
    4,459.06x = 9,236,971.22
  5. Step 5: Solve for x
    x = 9,236,971.22/4,459.06
  6. Step 6: Final answer
    x = 2,071.51

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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.