Home / 7,011.90-10,511.36-3,679.46

Finding the Fourth Proportional to 7,011.90, 10,511.36 and 3,679.46

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Solution

The fourth proportional to 7,011.90, 10,511.36 and 3,679.46 is: 5,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.90 : 10,511.36 = 3,679.46 : x
  2. Step 2: Convert to fraction form
    7,011.90/10,511.36 = 3,679.46/x
  3. Step 3: Cross multiply
    7,011.90x = 10,511.36 × 3,679.46
  4. Step 4: Simplify right side
    7,011.90x = 38,676,057.71
  5. Step 5: Solve for x
    x = 38,676,057.71/7,011.90
  6. Step 6: Final answer
    x = 5,515.77

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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.