Home / 4,837.60-7,253.16-1,915.12

Finding the Fourth Proportional to 4,837.60, 7,253.16 and 1,915.12

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Solution

The fourth proportional to 4,837.60, 7,253.16 and 1,915.12 is: 2,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.60 : 7,253.16 = 1,915.12 : x
  2. Step 2: Convert to fraction form
    4,837.60/7,253.16 = 1,915.12/x
  3. Step 3: Cross multiply
    4,837.60x = 7,253.16 × 1,915.12
  4. Step 4: Simplify right side
    4,837.60x = 13,890,671.78
  5. Step 5: Solve for x
    x = 13,890,671.78/4,837.60
  6. Step 6: Final answer
    x = 2,871.40

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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.