Home / 4,285.24-5,915.40-3,106.07

Finding the Fourth Proportional to 4,285.24, 5,915.40 and 3,106.07

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Solution

The fourth proportional to 4,285.24, 5,915.40 and 3,106.07 is: 4,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.24 : 5,915.40 = 3,106.07 : x
  2. Step 2: Convert to fraction form
    4,285.24/5,915.40 = 3,106.07/x
  3. Step 3: Cross multiply
    4,285.24x = 5,915.40 × 3,106.07
  4. Step 4: Simplify right side
    4,285.24x = 18,373,646.48
  5. Step 5: Solve for x
    x = 18,373,646.48/4,285.24
  6. Step 6: Final answer
    x = 4,287.66

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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.