Home / 6,511.62-9,757.58-4,312.48

Finding the Fourth Proportional to 6,511.62, 9,757.58 and 4,312.48

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Solution

The fourth proportional to 6,511.62, 9,757.58 and 4,312.48 is: 6,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.62 : 9,757.58 = 4,312.48 : x
  2. Step 2: Convert to fraction form
    6,511.62/9,757.58 = 4,312.48/x
  3. Step 3: Cross multiply
    6,511.62x = 9,757.58 × 4,312.48
  4. Step 4: Simplify right side
    6,511.62x = 42,079,368.60
  5. Step 5: Solve for x
    x = 42,079,368.60/6,511.62
  6. Step 6: Final answer
    x = 6,462.20

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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.