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Finding the Fourth Proportional to 8,535.81, 12,803.72 and 2,693.01

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Solution

The fourth proportional to 8,535.81, 12,803.72 and 2,693.01 is: 4,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.81 : 12,803.72 = 2,693.01 : x
  2. Step 2: Convert to fraction form
    8,535.81/12,803.72 = 2,693.01/x
  3. Step 3: Cross multiply
    8,535.81x = 12,803.72 × 2,693.01
  4. Step 4: Simplify right side
    8,535.81x = 34,480,532.53
  5. Step 5: Solve for x
    x = 34,480,532.53/8,535.81
  6. Step 6: Final answer
    x = 4,039.52

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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.