Home / 4,742.30-7,110.41-1,970.89

Finding the Fourth Proportional to 4,742.30, 7,110.41 and 1,970.89

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Solution

The fourth proportional to 4,742.30, 7,110.41 and 1,970.89 is: 2,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.30 : 7,110.41 = 1,970.89 : x
  2. Step 2: Convert to fraction form
    4,742.30/7,110.41 = 1,970.89/x
  3. Step 3: Cross multiply
    4,742.30x = 7,110.41 × 1,970.89
  4. Step 4: Simplify right side
    4,742.30x = 14,013,808.33
  5. Step 5: Solve for x
    x = 14,013,808.33/4,742.30
  6. Step 6: Final answer
    x = 2,955.06

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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.