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Finding the Fourth Proportional to 7,592.79, 11,389.09 and 6,291.53

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Solution

The fourth proportional to 7,592.79, 11,389.09 and 6,291.53 is: 9,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,592.79 : 11,389.09 = 6,291.53 : x
  2. Step 2: Convert to fraction form
    7,592.79/11,389.09 = 6,291.53/x
  3. Step 3: Cross multiply
    7,592.79x = 11,389.09 × 6,291.53
  4. Step 4: Simplify right side
    7,592.79x = 71,654,801.41
  5. Step 5: Solve for x
    x = 71,654,801.41/7,592.79
  6. Step 6: Final answer
    x = 9,437.22

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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.