Home / 8,457.42-11,670.21-4,680.30

Finding the Fourth Proportional to 8,457.42, 11,670.21 and 4,680.30

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Solution

The fourth proportional to 8,457.42, 11,670.21 and 4,680.30 is: 6,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.42 : 11,670.21 = 4,680.30 : x
  2. Step 2: Convert to fraction form
    8,457.42/11,670.21 = 4,680.30/x
  3. Step 3: Cross multiply
    8,457.42x = 11,670.21 × 4,680.30
  4. Step 4: Simplify right side
    8,457.42x = 54,620,083.86
  5. Step 5: Solve for x
    x = 54,620,083.86/8,457.42
  6. Step 6: Final answer
    x = 6,458.24

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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.