Home / 7,337.55-11,006.34-1,790.91

Finding the Fourth Proportional to 7,337.55, 11,006.34 and 1,790.91

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Solution

The fourth proportional to 7,337.55, 11,006.34 and 1,790.91 is: 2,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.55 : 11,006.34 = 1,790.91 : x
  2. Step 2: Convert to fraction form
    7,337.55/11,006.34 = 1,790.91/x
  3. Step 3: Cross multiply
    7,337.55x = 11,006.34 × 1,790.91
  4. Step 4: Simplify right side
    7,337.55x = 19,711,364.37
  5. Step 5: Solve for x
    x = 19,711,364.37/7,337.55
  6. Step 6: Final answer
    x = 2,686.37

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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.