Home / 4,669.61-7,002.32-1,381.55

Finding the Fourth Proportional to 4,669.61, 7,002.32 and 1,381.55

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Solution

The fourth proportional to 4,669.61, 7,002.32 and 1,381.55 is: 2,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.61 : 7,002.32 = 1,381.55 : x
  2. Step 2: Convert to fraction form
    4,669.61/7,002.32 = 1,381.55/x
  3. Step 3: Cross multiply
    4,669.61x = 7,002.32 × 1,381.55
  4. Step 4: Simplify right side
    4,669.61x = 9,674,013.28
  5. Step 5: Solve for x
    x = 9,674,013.28/4,669.61
  6. Step 6: Final answer
    x = 2,071.70

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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.