Home / 4,970.12-7,454.94-1,459.98

Finding the Fourth Proportional to 4,970.12, 7,454.94 and 1,459.98

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Solution

The fourth proportional to 4,970.12, 7,454.94 and 1,459.98 is: 2,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.12 : 7,454.94 = 1,459.98 : x
  2. Step 2: Convert to fraction form
    4,970.12/7,454.94 = 1,459.98/x
  3. Step 3: Cross multiply
    4,970.12x = 7,454.94 × 1,459.98
  4. Step 4: Simplify right side
    4,970.12x = 10,884,063.30
  5. Step 5: Solve for x
    x = 10,884,063.30/4,970.12
  6. Step 6: Final answer
    x = 2,189.90

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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.