Home / 4,574.28-6,861.42-1,111.50

Finding the Fourth Proportional to 4,574.28, 6,861.42 and 1,111.50

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Solution

The fourth proportional to 4,574.28, 6,861.42 and 1,111.50 is: 1,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.28 : 6,861.42 = 1,111.50 : x
  2. Step 2: Convert to fraction form
    4,574.28/6,861.42 = 1,111.50/x
  3. Step 3: Cross multiply
    4,574.28x = 6,861.42 × 1,111.50
  4. Step 4: Simplify right side
    4,574.28x = 7,626,468.33
  5. Step 5: Solve for x
    x = 7,626,468.33/4,574.28
  6. Step 6: Final answer
    x = 1,667.25

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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.