Home / 4,892.10-7,336.80-1,970.70

Finding the Fourth Proportional to 4,892.10, 7,336.80 and 1,970.70

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Solution

The fourth proportional to 4,892.10, 7,336.80 and 1,970.70 is: 2,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.10 : 7,336.80 = 1,970.70 : x
  2. Step 2: Convert to fraction form
    4,892.10/7,336.80 = 1,970.70/x
  3. Step 3: Cross multiply
    4,892.10x = 7,336.80 × 1,970.70
  4. Step 4: Simplify right side
    4,892.10x = 14,458,631.76
  5. Step 5: Solve for x
    x = 14,458,631.76/4,892.10
  6. Step 6: Final answer
    x = 2,955.51

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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.