Home / 9,979.07-14,977.88-5,052.15

Finding the Fourth Proportional to 9,979.07, 14,977.88 and 5,052.15

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Solution

The fourth proportional to 9,979.07, 14,977.88 and 5,052.15 is: 7,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.07 : 14,977.88 = 5,052.15 : x
  2. Step 2: Convert to fraction form
    9,979.07/14,977.88 = 5,052.15/x
  3. Step 3: Cross multiply
    9,979.07x = 14,977.88 × 5,052.15
  4. Step 4: Simplify right side
    9,979.07x = 75,670,496.44
  5. Step 5: Solve for x
    x = 75,670,496.44/9,979.07
  6. Step 6: Final answer
    x = 7,582.92

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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.