Home / 7,721.01-10,654.85-4,363.76

Finding the Fourth Proportional to 7,721.01, 10,654.85 and 4,363.76

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Solution

The fourth proportional to 7,721.01, 10,654.85 and 4,363.76 is: 6,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.01 : 10,654.85 = 4,363.76 : x
  2. Step 2: Convert to fraction form
    7,721.01/10,654.85 = 4,363.76/x
  3. Step 3: Cross multiply
    7,721.01x = 10,654.85 × 4,363.76
  4. Step 4: Simplify right side
    7,721.01x = 46,495,133.14
  5. Step 5: Solve for x
    x = 46,495,133.14/7,721.01
  6. Step 6: Final answer
    x = 6,021.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.