Home / 7,012.34-10,516.68-3,307.20

Finding the Fourth Proportional to 7,012.34, 10,516.68 and 3,307.20

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Solution

The fourth proportional to 7,012.34, 10,516.68 and 3,307.20 is: 4,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.34 : 10,516.68 = 3,307.20 : x
  2. Step 2: Convert to fraction form
    7,012.34/10,516.68 = 3,307.20/x
  3. Step 3: Cross multiply
    7,012.34x = 10,516.68 × 3,307.20
  4. Step 4: Simplify right side
    7,012.34x = 34,780,764.10
  5. Step 5: Solve for x
    x = 34,780,764.10/7,012.34
  6. Step 6: Final answer
    x = 4,959.94

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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.