Home / 6,631.76-9,152.71-4,280.75

Finding the Fourth Proportional to 6,631.76, 9,152.71 and 4,280.75

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Solution

The fourth proportional to 6,631.76, 9,152.71 and 4,280.75 is: 5,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.76 : 9,152.71 = 4,280.75 : x
  2. Step 2: Convert to fraction form
    6,631.76/9,152.71 = 4,280.75/x
  3. Step 3: Cross multiply
    6,631.76x = 9,152.71 × 4,280.75
  4. Step 4: Simplify right side
    6,631.76x = 39,180,406.87
  5. Step 5: Solve for x
    x = 39,180,406.87/6,631.76
  6. Step 6: Final answer
    x = 5,908.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.