Home / 7,537.32-11,305.74-1,990.69

Finding the Fourth Proportional to 7,537.32, 11,305.74 and 1,990.69

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Solution

The fourth proportional to 7,537.32, 11,305.74 and 1,990.69 is: 2,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.32 : 11,305.74 = 1,990.69 : x
  2. Step 2: Convert to fraction form
    7,537.32/11,305.74 = 1,990.69/x
  3. Step 3: Cross multiply
    7,537.32x = 11,305.74 × 1,990.69
  4. Step 4: Simplify right side
    7,537.32x = 22,506,266.36
  5. Step 5: Solve for x
    x = 22,506,266.36/7,537.32
  6. Step 6: Final answer
    x = 2,985.98

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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.