Home / 5,070.12-6,999.30-3,422.76

Finding the Fourth Proportional to 5,070.12, 6,999.30 and 3,422.76

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Solution

The fourth proportional to 5,070.12, 6,999.30 and 3,422.76 is: 4,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.12 : 6,999.30 = 3,422.76 : x
  2. Step 2: Convert to fraction form
    5,070.12/6,999.30 = 3,422.76/x
  3. Step 3: Cross multiply
    5,070.12x = 6,999.30 × 3,422.76
  4. Step 4: Simplify right side
    5,070.12x = 23,956,924.07
  5. Step 5: Solve for x
    x = 23,956,924.07/5,070.12
  6. Step 6: Final answer
    x = 4,725.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.