Home / 6,515.64-8,977.50-4,416.12

Finding the Fourth Proportional to 6,515.64, 8,977.50 and 4,416.12

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Solution

The fourth proportional to 6,515.64, 8,977.50 and 4,416.12 is: 6,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.64 : 8,977.50 = 4,416.12 : x
  2. Step 2: Convert to fraction form
    6,515.64/8,977.50 = 4,416.12/x
  3. Step 3: Cross multiply
    6,515.64x = 8,977.50 × 4,416.12
  4. Step 4: Simplify right side
    6,515.64x = 39,645,717.30
  5. Step 5: Solve for x
    x = 39,645,717.30/6,515.64
  6. Step 6: Final answer
    x = 6,084.70

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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.