Home / 4,387.35-6,580.86-2,915.99

Finding the Fourth Proportional to 4,387.35, 6,580.86 and 2,915.99

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Solution

The fourth proportional to 4,387.35, 6,580.86 and 2,915.99 is: 4,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.35 : 6,580.86 = 2,915.99 : x
  2. Step 2: Convert to fraction form
    4,387.35/6,580.86 = 2,915.99/x
  3. Step 3: Cross multiply
    4,387.35x = 6,580.86 × 2,915.99
  4. Step 4: Simplify right side
    4,387.35x = 19,189,689.05
  5. Step 5: Solve for x
    x = 19,189,689.05/4,387.35
  6. Step 6: Final answer
    x = 4,373.87

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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.