Home / 4,901.84-7,353.79-1,980.15

Finding the Fourth Proportional to 4,901.84, 7,353.79 and 1,980.15

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Solution

The fourth proportional to 4,901.84, 7,353.79 and 1,980.15 is: 2,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.84 : 7,353.79 = 1,980.15 : x
  2. Step 2: Convert to fraction form
    4,901.84/7,353.79 = 1,980.15/x
  3. Step 3: Cross multiply
    4,901.84x = 7,353.79 × 1,980.15
  4. Step 4: Simplify right side
    4,901.84x = 14,561,574.74
  5. Step 5: Solve for x
    x = 14,561,574.74/4,901.84
  6. Step 6: Final answer
    x = 2,970.63

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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.