Home / 4,712.34-7,070.55-1,791.48

Finding the Fourth Proportional to 4,712.34, 7,070.55 and 1,791.48

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Solution

The fourth proportional to 4,712.34, 7,070.55 and 1,791.48 is: 2,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.34 : 7,070.55 = 1,791.48 : x
  2. Step 2: Convert to fraction form
    4,712.34/7,070.55 = 1,791.48/x
  3. Step 3: Cross multiply
    4,712.34x = 7,070.55 × 1,791.48
  4. Step 4: Simplify right side
    4,712.34x = 12,666,748.91
  5. Step 5: Solve for x
    x = 12,666,748.91/4,712.34
  6. Step 6: Final answer
    x = 2,688.00

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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.