Home / 9,070.70-12,518.28-5,091.56

Finding the Fourth Proportional to 9,070.70, 12,518.28 and 5,091.56

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Solution

The fourth proportional to 9,070.70, 12,518.28 and 5,091.56 is: 7,026.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.70 : 12,518.28 = 5,091.56 : x
  2. Step 2: Convert to fraction form
    9,070.70/12,518.28 = 5,091.56/x
  3. Step 3: Cross multiply
    9,070.70x = 12,518.28 × 5,091.56
  4. Step 4: Simplify right side
    9,070.70x = 63,737,573.72
  5. Step 5: Solve for x
    x = 63,737,573.72/9,070.70
  6. Step 6: Final answer
    x = 7,026.75

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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.