Home / 5,011.34-6,915.40-2,742.62

Finding the Fourth Proportional to 5,011.34, 6,915.40 and 2,742.62

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Solution

The fourth proportional to 5,011.34, 6,915.40 and 2,742.62 is: 3,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.34 : 6,915.40 = 2,742.62 : x
  2. Step 2: Convert to fraction form
    5,011.34/6,915.40 = 2,742.62/x
  3. Step 3: Cross multiply
    5,011.34x = 6,915.40 × 2,742.62
  4. Step 4: Simplify right side
    5,011.34x = 18,966,272.91
  5. Step 5: Solve for x
    x = 18,966,272.91/5,011.34
  6. Step 6: Final answer
    x = 3,784.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.