Home / 4,970.75-7,455.20-1,459.98

Finding the Fourth Proportional to 4,970.75, 7,455.20 and 1,459.98

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Solution

The fourth proportional to 4,970.75, 7,455.20 and 1,459.98 is: 2,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.75 : 7,455.20 = 1,459.98 : x
  2. Step 2: Convert to fraction form
    4,970.75/7,455.20 = 1,459.98/x
  3. Step 3: Cross multiply
    4,970.75x = 7,455.20 × 1,459.98
  4. Step 4: Simplify right side
    4,970.75x = 10,884,435.60
  5. Step 5: Solve for x
    x = 10,884,435.60/4,970.75
  6. Step 6: Final answer
    x = 2,189.70

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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.