Home / 4,256.13-6,386.36-1,915.65

Finding the Fourth Proportional to 4,256.13, 6,386.36 and 1,915.65

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Solution

The fourth proportional to 4,256.13, 6,386.36 and 1,915.65 is: 2,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.13 : 6,386.36 = 1,915.65 : x
  2. Step 2: Convert to fraction form
    4,256.13/6,386.36 = 1,915.65/x
  3. Step 3: Cross multiply
    4,256.13x = 6,386.36 × 1,915.65
  4. Step 4: Simplify right side
    4,256.13x = 12,234,020.96
  5. Step 5: Solve for x
    x = 12,234,020.96/4,256.13
  6. Step 6: Final answer
    x = 2,874.45

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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.