Home / 4,281.69-6,407.96-3,312.12

Finding the Fourth Proportional to 4,281.69, 6,407.96 and 3,312.12

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Solution

The fourth proportional to 4,281.69, 6,407.96 and 3,312.12 is: 4,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.69 : 6,407.96 = 3,312.12 : x
  2. Step 2: Convert to fraction form
    4,281.69/6,407.96 = 3,312.12/x
  3. Step 3: Cross multiply
    4,281.69x = 6,407.96 × 3,312.12
  4. Step 4: Simplify right side
    4,281.69x = 21,223,915.91
  5. Step 5: Solve for x
    x = 21,223,915.91/4,281.69
  6. Step 6: Final answer
    x = 4,956.90

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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.