Home / 6,291.95-9,437.82-1,611.92

Finding the Fourth Proportional to 6,291.95, 9,437.82 and 1,611.92

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Solution

The fourth proportional to 6,291.95, 9,437.82 and 1,611.92 is: 2,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.95 : 9,437.82 = 1,611.92 : x
  2. Step 2: Convert to fraction form
    6,291.95/9,437.82 = 1,611.92/x
  3. Step 3: Cross multiply
    6,291.95x = 9,437.82 × 1,611.92
  4. Step 4: Simplify right side
    6,291.95x = 15,213,010.81
  5. Step 5: Solve for x
    x = 15,213,010.81/6,291.95
  6. Step 6: Final answer
    x = 2,417.85

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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.