Home / 8,938.66-13,406.85-2,365.36

Finding the Fourth Proportional to 8,938.66, 13,406.85 and 2,365.36

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Solution

The fourth proportional to 8,938.66, 13,406.85 and 2,365.36 is: 3,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.66 : 13,406.85 = 2,365.36 : x
  2. Step 2: Convert to fraction form
    8,938.66/13,406.85 = 2,365.36/x
  3. Step 3: Cross multiply
    8,938.66x = 13,406.85 × 2,365.36
  4. Step 4: Simplify right side
    8,938.66x = 31,712,026.72
  5. Step 5: Solve for x
    x = 31,712,026.72/8,938.66
  6. Step 6: Final answer
    x = 3,547.74

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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.