Home / 8,748-13,113.74-3,486.26

Finding the Fourth Proportional to 8,748, 13,113.74 and 3,486.26

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Solution

The fourth proportional to 8,748, 13,113.74 and 3,486.26 is: 5,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748 : 13,113.74 = 3,486.26 : x
  2. Step 2: Convert to fraction form
    8,748/13,113.74 = 3,486.26/x
  3. Step 3: Cross multiply
    8,748x = 13,113.74 × 3,486.26
  4. Step 4: Simplify right side
    8,748x = 45,717,948.71
  5. Step 5: Solve for x
    x = 45,717,948.71/8,748
  6. Step 6: Final answer
    x = 5,226.10

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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.