Home / 7,011.78-10,515.39-2,330.53

Finding the Fourth Proportional to 7,011.78, 10,515.39 and 2,330.53

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Solution

The fourth proportional to 7,011.78, 10,515.39 and 2,330.53 is: 3,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.78 : 10,515.39 = 2,330.53 : x
  2. Step 2: Convert to fraction form
    7,011.78/10,515.39 = 2,330.53/x
  3. Step 3: Cross multiply
    7,011.78x = 10,515.39 × 2,330.53
  4. Step 4: Simplify right side
    7,011.78x = 24,506,405.57
  5. Step 5: Solve for x
    x = 24,506,405.57/7,011.78
  6. Step 6: Final answer
    x = 3,495.04

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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.