Home / 5,459.47-8,173.80-5,284.51

Finding the Fourth Proportional to 5,459.47, 8,173.80 and 5,284.51

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Solution

The fourth proportional to 5,459.47, 8,173.80 and 5,284.51 is: 7,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.47 : 8,173.80 = 5,284.51 : x
  2. Step 2: Convert to fraction form
    5,459.47/8,173.80 = 5,284.51/x
  3. Step 3: Cross multiply
    5,459.47x = 8,173.80 × 5,284.51
  4. Step 4: Simplify right side
    5,459.47x = 43,194,527.84
  5. Step 5: Solve for x
    x = 43,194,527.84/5,459.47
  6. Step 6: Final answer
    x = 7,911.85

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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.