Home / 4,555.18-6,287.91-3,560.78

Finding the Fourth Proportional to 4,555.18, 6,287.91 and 3,560.78

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Solution

The fourth proportional to 4,555.18, 6,287.91 and 3,560.78 is: 4,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.18 : 6,287.91 = 3,560.78 : x
  2. Step 2: Convert to fraction form
    4,555.18/6,287.91 = 3,560.78/x
  3. Step 3: Cross multiply
    4,555.18x = 6,287.91 × 3,560.78
  4. Step 4: Simplify right side
    4,555.18x = 22,389,893.24
  5. Step 5: Solve for x
    x = 22,389,893.24/4,555.18
  6. Step 6: Final answer
    x = 4,915.26

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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.