Home / 8,719.29-13,077.63-2,875.14

Finding the Fourth Proportional to 8,719.29, 13,077.63 and 2,875.14

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Solution

The fourth proportional to 8,719.29, 13,077.63 and 2,875.14 is: 4,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.29 : 13,077.63 = 2,875.14 : x
  2. Step 2: Convert to fraction form
    8,719.29/13,077.63 = 2,875.14/x
  3. Step 3: Cross multiply
    8,719.29x = 13,077.63 × 2,875.14
  4. Step 4: Simplify right side
    8,719.29x = 37,600,017.12
  5. Step 5: Solve for x
    x = 37,600,017.12/8,719.29
  6. Step 6: Final answer
    x = 4,312.28

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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.