Home / 7,070.46-10,609.78-2,910.88

Finding the Fourth Proportional to 7,070.46, 10,609.78 and 2,910.88

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Solution

The fourth proportional to 7,070.46, 10,609.78 and 2,910.88 is: 4,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.46 : 10,609.78 = 2,910.88 : x
  2. Step 2: Convert to fraction form
    7,070.46/10,609.78 = 2,910.88/x
  3. Step 3: Cross multiply
    7,070.46x = 10,609.78 × 2,910.88
  4. Step 4: Simplify right side
    7,070.46x = 30,883,796.41
  5. Step 5: Solve for x
    x = 30,883,796.41/7,070.46
  6. Step 6: Final answer
    x = 4,368.00

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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.