Home / 7,721.21-11,580.04-4,602.10

Finding the Fourth Proportional to 7,721.21, 11,580.04 and 4,602.10

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Solution

The fourth proportional to 7,721.21, 11,580.04 and 4,602.10 is: 6,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.21 : 11,580.04 = 4,602.10 : x
  2. Step 2: Convert to fraction form
    7,721.21/11,580.04 = 4,602.10/x
  3. Step 3: Cross multiply
    7,721.21x = 11,580.04 × 4,602.10
  4. Step 4: Simplify right side
    7,721.21x = 53,292,502.08
  5. Step 5: Solve for x
    x = 53,292,502.08/7,721.21
  6. Step 6: Final answer
    x = 6,902.09

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1.5x scale

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.