Home / 5,437.75-8,157.93-1,689.41

Finding the Fourth Proportional to 5,437.75, 8,157.93 and 1,689.41

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Solution

The fourth proportional to 5,437.75, 8,157.93 and 1,689.41 is: 2,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.75 : 8,157.93 = 1,689.41 : x
  2. Step 2: Convert to fraction form
    5,437.75/8,157.93 = 1,689.41/x
  3. Step 3: Cross multiply
    5,437.75x = 8,157.93 × 1,689.41
  4. Step 4: Simplify right side
    5,437.75x = 13,782,088.52
  5. Step 5: Solve for x
    x = 13,782,088.52/5,437.75
  6. Step 6: Final answer
    x = 2,534.52

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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.