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Finding the Fourth Proportional to 6,637.61, 9,952.97 and 1,957.00

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Solution

The fourth proportional to 6,637.61, 9,952.97 and 1,957.00 is: 2,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.61 : 9,952.97 = 1,957.00 : x
  2. Step 2: Convert to fraction form
    6,637.61/9,952.97 = 1,957.00/x
  3. Step 3: Cross multiply
    6,637.61x = 9,952.97 × 1,957.00
  4. Step 4: Simplify right side
    6,637.61x = 19,477,927.62
  5. Step 5: Solve for x
    x = 19,477,927.62/6,637.61
  6. Step 6: Final answer
    x = 2,934.48

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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.