Home / 4,889.80-7,337.02-1,970.12

Finding the Fourth Proportional to 4,889.80, 7,337.02 and 1,970.12

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Solution

The fourth proportional to 4,889.80, 7,337.02 and 1,970.12 is: 2,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.80 : 7,337.02 = 1,970.12 : x
  2. Step 2: Convert to fraction form
    4,889.80/7,337.02 = 1,970.12/x
  3. Step 3: Cross multiply
    4,889.80x = 7,337.02 × 1,970.12
  4. Step 4: Simplify right side
    4,889.80x = 14,454,809.84
  5. Step 5: Solve for x
    x = 14,454,809.84/4,889.80
  6. Step 6: Final answer
    x = 2,956.11

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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.