Home / 9,477.42-13,077.79-5,497.76

Finding the Fourth Proportional to 9,477.42, 13,077.79 and 5,497.76

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Solution

The fourth proportional to 9,477.42, 13,077.79 and 5,497.76 is: 7,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.42 : 13,077.79 = 5,497.76 : x
  2. Step 2: Convert to fraction form
    9,477.42/13,077.79 = 5,497.76/x
  3. Step 3: Cross multiply
    9,477.42x = 13,077.79 × 5,497.76
  4. Step 4: Simplify right side
    9,477.42x = 71,898,550.75
  5. Step 5: Solve for x
    x = 71,898,550.75/9,477.42
  6. Step 6: Final answer
    x = 7,586.30

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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.