Home / 8,247.66-11,385.71-4,710.20

Finding the Fourth Proportional to 8,247.66, 11,385.71 and 4,710.20

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Solution

The fourth proportional to 8,247.66, 11,385.71 and 4,710.20 is: 6,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.66 : 11,385.71 = 4,710.20 : x
  2. Step 2: Convert to fraction form
    8,247.66/11,385.71 = 4,710.20/x
  3. Step 3: Cross multiply
    8,247.66x = 11,385.71 × 4,710.20
  4. Step 4: Simplify right side
    8,247.66x = 53,628,890.76
  5. Step 5: Solve for x
    x = 53,628,890.76/8,247.66
  6. Step 6: Final answer
    x = 6,502.32

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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.