Home / 8,923.50-13,381.34-4,762.56

Finding the Fourth Proportional to 8,923.50, 13,381.34 and 4,762.56

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Solution

The fourth proportional to 8,923.50, 13,381.34 and 4,762.56 is: 7,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.50 : 13,381.34 = 4,762.56 : x
  2. Step 2: Convert to fraction form
    8,923.50/13,381.34 = 4,762.56/x
  3. Step 3: Cross multiply
    8,923.50x = 13,381.34 × 4,762.56
  4. Step 4: Simplify right side
    8,923.50x = 63,729,434.63
  5. Step 5: Solve for x
    x = 63,729,434.63/8,923.50
  6. Step 6: Final answer
    x = 7,141.75

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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.