Home / 8,724.62-12,043.95-5,740.58

Finding the Fourth Proportional to 8,724.62, 12,043.95 and 5,740.58

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Solution

The fourth proportional to 8,724.62, 12,043.95 and 5,740.58 is: 7,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.62 : 12,043.95 = 5,740.58 : x
  2. Step 2: Convert to fraction form
    8,724.62/12,043.95 = 5,740.58/x
  3. Step 3: Cross multiply
    8,724.62x = 12,043.95 × 5,740.58
  4. Step 4: Simplify right side
    8,724.62x = 69,139,258.49
  5. Step 5: Solve for x
    x = 69,139,258.49/8,724.62
  6. Step 6: Final answer
    x = 7,924.62

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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.