Home / 4,915.60-6,783.40-2,677.52

Finding the Fourth Proportional to 4,915.60, 6,783.40 and 2,677.52

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Solution

The fourth proportional to 4,915.60, 6,783.40 and 2,677.52 is: 3,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.60 : 6,783.40 = 2,677.52 : x
  2. Step 2: Convert to fraction form
    4,915.60/6,783.40 = 2,677.52/x
  3. Step 3: Cross multiply
    4,915.60x = 6,783.40 × 2,677.52
  4. Step 4: Simplify right side
    4,915.60x = 18,162,689.17
  5. Step 5: Solve for x
    x = 18,162,689.17/4,915.60
  6. Step 6: Final answer
    x = 3,694.91

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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.