Home / 5,561.72-8,295.40-4,690

Finding the Fourth Proportional to 5,561.72, 8,295.40 and 4,690

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Solution

The fourth proportional to 5,561.72, 8,295.40 and 4,690 is: 6,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.72 : 8,295.40 = 4,690 : x
  2. Step 2: Convert to fraction form
    5,561.72/8,295.40 = 4,690/x
  3. Step 3: Cross multiply
    5,561.72x = 8,295.40 × 4,690
  4. Step 4: Simplify right side
    5,561.72x = 38,905,426
  5. Step 5: Solve for x
    x = 38,905,426/5,561.72
  6. Step 6: Final answer
    x = 6,995.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.