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Finding the Fourth Proportional to 5,541.08, 7,679.70 and 5,437.40

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Solution

The fourth proportional to 5,541.08, 7,679.70 and 5,437.40 is: 7,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.08 : 7,679.70 = 5,437.40 : x
  2. Step 2: Convert to fraction form
    5,541.08/7,679.70 = 5,437.40/x
  3. Step 3: Cross multiply
    5,541.08x = 7,679.70 × 5,437.40
  4. Step 4: Simplify right side
    5,541.08x = 41,757,600.78
  5. Step 5: Solve for x
    x = 41,757,600.78/5,541.08
  6. Step 6: Final answer
    x = 7,536.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.