Home / 7,637.30-11,458.12-4,520.06

Finding the Fourth Proportional to 7,637.30, 11,458.12 and 4,520.06

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Solution

The fourth proportional to 7,637.30, 11,458.12 and 4,520.06 is: 6,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.30 : 11,458.12 = 4,520.06 : x
  2. Step 2: Convert to fraction form
    7,637.30/11,458.12 = 4,520.06/x
  3. Step 3: Cross multiply
    7,637.30x = 11,458.12 × 4,520.06
  4. Step 4: Simplify right side
    7,637.30x = 51,791,389.89
  5. Step 5: Solve for x
    x = 51,791,389.89/7,637.30
  6. Step 6: Final answer
    x = 6,781.37

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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.