Home / 6,140.99-9,211.45-1,758.45

Finding the Fourth Proportional to 6,140.99, 9,211.45 and 1,758.45

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Solution

The fourth proportional to 6,140.99, 9,211.45 and 1,758.45 is: 2,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.99 : 9,211.45 = 1,758.45 : x
  2. Step 2: Convert to fraction form
    6,140.99/9,211.45 = 1,758.45/x
  3. Step 3: Cross multiply
    6,140.99x = 9,211.45 × 1,758.45
  4. Step 4: Simplify right side
    6,140.99x = 16,197,837.98
  5. Step 5: Solve for x
    x = 16,197,837.98/6,140.99
  6. Step 6: Final answer
    x = 2,637.66

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Half scale
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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.