Home / 5,915.20-8,878.95-4,356.96

Finding the Fourth Proportional to 5,915.20, 8,878.95 and 4,356.96

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Solution

The fourth proportional to 5,915.20, 8,878.95 and 4,356.96 is: 6,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.20 : 8,878.95 = 4,356.96 : x
  2. Step 2: Convert to fraction form
    5,915.20/8,878.95 = 4,356.96/x
  3. Step 3: Cross multiply
    5,915.20x = 8,878.95 × 4,356.96
  4. Step 4: Simplify right side
    5,915.20x = 38,685,208.21
  5. Step 5: Solve for x
    x = 38,685,208.21/5,915.20
  6. Step 6: Final answer
    x = 6,539.97

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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.