Home / 7,011.18-10,520.46-2,854.26

Finding the Fourth Proportional to 7,011.18, 10,520.46 and 2,854.26

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Solution

The fourth proportional to 7,011.18, 10,520.46 and 2,854.26 is: 4,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.18 : 10,520.46 = 2,854.26 : x
  2. Step 2: Convert to fraction form
    7,011.18/10,520.46 = 2,854.26/x
  3. Step 3: Cross multiply
    7,011.18x = 10,520.46 × 2,854.26
  4. Step 4: Simplify right side
    7,011.18x = 30,028,128.16
  5. Step 5: Solve for x
    x = 30,028,128.16/7,011.18
  6. Step 6: Final answer
    x = 4,282.89

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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.