Home / 8,721.95-13,070.16-4,333.37

Finding the Fourth Proportional to 8,721.95, 13,070.16 and 4,333.37

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Solution

The fourth proportional to 8,721.95, 13,070.16 and 4,333.37 is: 6,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.95 : 13,070.16 = 4,333.37 : x
  2. Step 2: Convert to fraction form
    8,721.95/13,070.16 = 4,333.37/x
  3. Step 3: Cross multiply
    8,721.95x = 13,070.16 × 4,333.37
  4. Step 4: Simplify right side
    8,721.95x = 56,637,773.89
  5. Step 5: Solve for x
    x = 56,637,773.89/8,721.95
  6. Step 6: Final answer
    x = 6,493.71

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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.