Home / 7,977.54-11,008.24-4,392.45

Finding the Fourth Proportional to 7,977.54, 11,008.24 and 4,392.45

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Solution

The fourth proportional to 7,977.54, 11,008.24 and 4,392.45 is: 6,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.54 : 11,008.24 = 4,392.45 : x
  2. Step 2: Convert to fraction form
    7,977.54/11,008.24 = 4,392.45/x
  3. Step 3: Cross multiply
    7,977.54x = 11,008.24 × 4,392.45
  4. Step 4: Simplify right side
    7,977.54x = 48,353,182.30
  5. Step 5: Solve for x
    x = 48,353,182.30/7,977.54
  6. Step 6: Final answer
    x = 6,061.17

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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.