Home / 4,454.03-6,681.09-1,988.98

Finding the Fourth Proportional to 4,454.03, 6,681.09 and 1,988.98

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Solution

The fourth proportional to 4,454.03, 6,681.09 and 1,988.98 is: 2,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.03 : 6,681.09 = 1,988.98 : x
  2. Step 2: Convert to fraction form
    4,454.03/6,681.09 = 1,988.98/x
  3. Step 3: Cross multiply
    4,454.03x = 6,681.09 × 1,988.98
  4. Step 4: Simplify right side
    4,454.03x = 13,288,520.98
  5. Step 5: Solve for x
    x = 13,288,520.98/4,454.03
  6. Step 6: Final answer
    x = 2,983.48

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Double scale
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Similar ratio
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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.