Home / 8,457.17-12,681.74-2,531.77

Finding the Fourth Proportional to 8,457.17, 12,681.74 and 2,531.77

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Solution

The fourth proportional to 8,457.17, 12,681.74 and 2,531.77 is: 3,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.17 : 12,681.74 = 2,531.77 : x
  2. Step 2: Convert to fraction form
    8,457.17/12,681.74 = 2,531.77/x
  3. Step 3: Cross multiply
    8,457.17x = 12,681.74 × 2,531.77
  4. Step 4: Simplify right side
    8,457.17x = 32,107,223.50
  5. Step 5: Solve for x
    x = 32,107,223.50/8,457.17
  6. Step 6: Final answer
    x = 3,796.45

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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.