Home / 7,416.09-11,117.64-3,030.75

Finding the Fourth Proportional to 7,416.09, 11,117.64 and 3,030.75

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Solution

The fourth proportional to 7,416.09, 11,117.64 and 3,030.75 is: 4,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.09 : 11,117.64 = 3,030.75 : x
  2. Step 2: Convert to fraction form
    7,416.09/11,117.64 = 3,030.75/x
  3. Step 3: Cross multiply
    7,416.09x = 11,117.64 × 3,030.75
  4. Step 4: Simplify right side
    7,416.09x = 33,694,787.43
  5. Step 5: Solve for x
    x = 33,694,787.43/7,416.09
  6. Step 6: Final answer
    x = 4,543.47

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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.