Home / 4,526.40-6,772.32-2,990.40

Finding the Fourth Proportional to 4,526.40, 6,772.32 and 2,990.40

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Solution

The fourth proportional to 4,526.40, 6,772.32 and 2,990.40 is: 4,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.40 : 6,772.32 = 2,990.40 : x
  2. Step 2: Convert to fraction form
    4,526.40/6,772.32 = 2,990.40/x
  3. Step 3: Cross multiply
    4,526.40x = 6,772.32 × 2,990.40
  4. Step 4: Simplify right side
    4,526.40x = 20,251,945.73
  5. Step 5: Solve for x
    x = 20,251,945.73/4,526.40
  6. Step 6: Final answer
    x = 4,474.18

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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.