Home / 8,457.17-12,685.44-2,613.77

Finding the Fourth Proportional to 8,457.17, 12,685.44 and 2,613.77

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Solution

The fourth proportional to 8,457.17, 12,685.44 and 2,613.77 is: 3,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.17 : 12,685.44 = 2,613.77 : x
  2. Step 2: Convert to fraction form
    8,457.17/12,685.44 = 2,613.77/x
  3. Step 3: Cross multiply
    8,457.17x = 12,685.44 × 2,613.77
  4. Step 4: Simplify right side
    8,457.17x = 33,156,822.51
  5. Step 5: Solve for x
    x = 33,156,822.51/8,457.17
  6. Step 6: Final answer
    x = 3,920.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.