Home / 7,977.42-11,009.25-4,620.24

Finding the Fourth Proportional to 7,977.42, 11,009.25 and 4,620.24

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Solution

The fourth proportional to 7,977.42, 11,009.25 and 4,620.24 is: 6,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.42 : 11,009.25 = 4,620.24 : x
  2. Step 2: Convert to fraction form
    7,977.42/11,009.25 = 4,620.24/x
  3. Step 3: Cross multiply
    7,977.42x = 11,009.25 × 4,620.24
  4. Step 4: Simplify right side
    7,977.42x = 50,865,377.22
  5. Step 5: Solve for x
    x = 50,865,377.22/7,977.42
  6. Step 6: Final answer
    x = 6,376.17

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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.