Home / 7,923.12-11,894.40-4,637.76

Finding the Fourth Proportional to 7,923.12, 11,894.40 and 4,637.76

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Solution

The fourth proportional to 7,923.12, 11,894.40 and 4,637.76 is: 6,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.12 : 11,894.40 = 4,637.76 : x
  2. Step 2: Convert to fraction form
    7,923.12/11,894.40 = 4,637.76/x
  3. Step 3: Cross multiply
    7,923.12x = 11,894.40 × 4,637.76
  4. Step 4: Simplify right side
    7,923.12x = 55,163,372.54
  5. Step 5: Solve for x
    x = 55,163,372.54/7,923.12
  6. Step 6: Final answer
    x = 6,962.33

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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.