Home / 8,457.42-11,671.65-4,680.57

Finding the Fourth Proportional to 8,457.42, 11,671.65 and 4,680.57

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Solution

The fourth proportional to 8,457.42, 11,671.65 and 4,680.57 is: 6,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.42 : 11,671.65 = 4,680.57 : x
  2. Step 2: Convert to fraction form
    8,457.42/11,671.65 = 4,680.57/x
  3. Step 3: Cross multiply
    8,457.42x = 11,671.65 × 4,680.57
  4. Step 4: Simplify right side
    8,457.42x = 54,629,974.84
  5. Step 5: Solve for x
    x = 54,629,974.84/8,457.42
  6. Step 6: Final answer
    x = 6,459.41

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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.