Home / 5,938.18-8,904.29-1,988.08

Finding the Fourth Proportional to 5,938.18, 8,904.29 and 1,988.08

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Solution

The fourth proportional to 5,938.18, 8,904.29 and 1,988.08 is: 2,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.18 : 8,904.29 = 1,988.08 : x
  2. Step 2: Convert to fraction form
    5,938.18/8,904.29 = 1,988.08/x
  3. Step 3: Cross multiply
    5,938.18x = 8,904.29 × 1,988.08
  4. Step 4: Simplify right side
    5,938.18x = 17,702,408.66
  5. Step 5: Solve for x
    x = 17,702,408.66/5,938.18
  6. Step 6: Final answer
    x = 2,981.12

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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.