Home / 8,913.16-12,300.87-4,935.54

Finding the Fourth Proportional to 8,913.16, 12,300.87 and 4,935.54

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Solution

The fourth proportional to 8,913.16, 12,300.87 and 4,935.54 is: 6,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.16 : 12,300.87 = 4,935.54 : x
  2. Step 2: Convert to fraction form
    8,913.16/12,300.87 = 4,935.54/x
  3. Step 3: Cross multiply
    8,913.16x = 12,300.87 × 4,935.54
  4. Step 4: Simplify right side
    8,913.16x = 60,711,435.92
  5. Step 5: Solve for x
    x = 60,711,435.92/8,913.16
  6. Step 6: Final answer
    x = 6,811.44

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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.