Home / 6,247.30-8,610.63-5,717.64

Finding the Fourth Proportional to 6,247.30, 8,610.63 and 5,717.64

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Solution

The fourth proportional to 6,247.30, 8,610.63 and 5,717.64 is: 7,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.30 : 8,610.63 = 5,717.64 : x
  2. Step 2: Convert to fraction form
    6,247.30/8,610.63 = 5,717.64/x
  3. Step 3: Cross multiply
    6,247.30x = 8,610.63 × 5,717.64
  4. Step 4: Simplify right side
    6,247.30x = 49,232,461.01
  5. Step 5: Solve for x
    x = 49,232,461.01/6,247.30
  6. Step 6: Final answer
    x = 7,880.60

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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.