Home / 4,574.30-6,861.83-1,287.42

Finding the Fourth Proportional to 4,574.30, 6,861.83 and 1,287.42

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Solution

The fourth proportional to 4,574.30, 6,861.83 and 1,287.42 is: 1,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.30 : 6,861.83 = 1,287.42 : x
  2. Step 2: Convert to fraction form
    4,574.30/6,861.83 = 1,287.42/x
  3. Step 3: Cross multiply
    4,574.30x = 6,861.83 × 1,287.42
  4. Step 4: Simplify right side
    4,574.30x = 8,834,050.74
  5. Step 5: Solve for x
    x = 8,834,050.74/4,574.30
  6. Step 6: Final answer
    x = 1,931.24

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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.