Home / 5,254.40-7,874.18-2,915.44

Finding the Fourth Proportional to 5,254.40, 7,874.18 and 2,915.44

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Solution

The fourth proportional to 5,254.40, 7,874.18 and 2,915.44 is: 4,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.40 : 7,874.18 = 2,915.44 : x
  2. Step 2: Convert to fraction form
    5,254.40/7,874.18 = 2,915.44/x
  3. Step 3: Cross multiply
    5,254.40x = 7,874.18 × 2,915.44
  4. Step 4: Simplify right side
    5,254.40x = 22,956,699.34
  5. Step 5: Solve for x
    x = 22,956,699.34/5,254.40
  6. Step 6: Final answer
    x = 4,369.04

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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.