Home / 8,435.04-12,658.08-3,818.16

Finding the Fourth Proportional to 8,435.04, 12,658.08 and 3,818.16

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Solution

The fourth proportional to 8,435.04, 12,658.08 and 3,818.16 is: 5,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.04 : 12,658.08 = 3,818.16 : x
  2. Step 2: Convert to fraction form
    8,435.04/12,658.08 = 3,818.16/x
  3. Step 3: Cross multiply
    8,435.04x = 12,658.08 × 3,818.16
  4. Step 4: Simplify right side
    8,435.04x = 48,330,574.73
  5. Step 5: Solve for x
    x = 48,330,574.73/8,435.04
  6. Step 6: Final answer
    x = 5,729.74

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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.