Home / 4,574.08-6,861.44-1,287.36

Finding the Fourth Proportional to 4,574.08, 6,861.44 and 1,287.36

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Solution

The fourth proportional to 4,574.08, 6,861.44 and 1,287.36 is: 1,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.08 : 6,861.44 = 1,287.36 : x
  2. Step 2: Convert to fraction form
    4,574.08/6,861.44 = 1,287.36/x
  3. Step 3: Cross multiply
    4,574.08x = 6,861.44 × 1,287.36
  4. Step 4: Simplify right side
    4,574.08x = 8,833,143.40
  5. Step 5: Solve for x
    x = 8,833,143.40/4,574.08
  6. Step 6: Final answer
    x = 1,931.13

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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.