Home / 7,977.42-11,008.80-4,441.32

Finding the Fourth Proportional to 7,977.42, 11,008.80 and 4,441.32

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Solution

The fourth proportional to 7,977.42, 11,008.80 and 4,441.32 is: 6,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.42 : 11,008.80 = 4,441.32 : x
  2. Step 2: Convert to fraction form
    7,977.42/11,008.80 = 4,441.32/x
  3. Step 3: Cross multiply
    7,977.42x = 11,008.80 × 4,441.32
  4. Step 4: Simplify right side
    7,977.42x = 48,893,603.62
  5. Step 5: Solve for x
    x = 48,893,603.62/7,977.42
  6. Step 6: Final answer
    x = 6,129.00

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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.