Home / 9,459.40-13,052.84-5,479.96

Finding the Fourth Proportional to 9,459.40, 13,052.84 and 5,479.96

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Solution

The fourth proportional to 9,459.40, 13,052.84 and 5,479.96 is: 7,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.40 : 13,052.84 = 5,479.96 : x
  2. Step 2: Convert to fraction form
    9,459.40/13,052.84 = 5,479.96/x
  3. Step 3: Cross multiply
    9,459.40x = 13,052.84 × 5,479.96
  4. Step 4: Simplify right side
    9,459.40x = 71,529,041.09
  5. Step 5: Solve for x
    x = 71,529,041.09/9,459.40
  6. Step 6: Final answer
    x = 7,561.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.