Home / 5,381.67-8,071.56-2,459.28

Finding the Fourth Proportional to 5,381.67, 8,071.56 and 2,459.28

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Solution

The fourth proportional to 5,381.67, 8,071.56 and 2,459.28 is: 3,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.67 : 8,071.56 = 2,459.28 : x
  2. Step 2: Convert to fraction form
    5,381.67/8,071.56 = 2,459.28/x
  3. Step 3: Cross multiply
    5,381.67x = 8,071.56 × 2,459.28
  4. Step 4: Simplify right side
    5,381.67x = 19,850,226.08
  5. Step 5: Solve for x
    x = 19,850,226.08/5,381.67
  6. Step 6: Final answer
    x = 3,688.49

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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.