Home / 9,070.80-12,516.50-5,091.88

Finding the Fourth Proportional to 9,070.80, 12,516.50 and 5,091.88

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Solution

The fourth proportional to 9,070.80, 12,516.50 and 5,091.88 is: 7,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.80 : 12,516.50 = 5,091.88 : x
  2. Step 2: Convert to fraction form
    9,070.80/12,516.50 = 5,091.88/x
  3. Step 3: Cross multiply
    9,070.80x = 12,516.50 × 5,091.88
  4. Step 4: Simplify right side
    9,070.80x = 63,732,516.02
  5. Step 5: Solve for x
    x = 63,732,516.02/9,070.80
  6. Step 6: Final answer
    x = 7,026.12

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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.