Home / 8,457.66-11,671.31-4,680.70

Finding the Fourth Proportional to 8,457.66, 11,671.31 and 4,680.70

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Solution

The fourth proportional to 8,457.66, 11,671.31 and 4,680.70 is: 6,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.66 : 11,671.31 = 4,680.70 : x
  2. Step 2: Convert to fraction form
    8,457.66/11,671.31 = 4,680.70/x
  3. Step 3: Cross multiply
    8,457.66x = 11,671.31 × 4,680.70
  4. Step 4: Simplify right side
    8,457.66x = 54,629,883.24
  5. Step 5: Solve for x
    x = 54,629,883.24/8,457.66
  6. Step 6: Final answer
    x = 6,459.22

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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.