Home / 8,403.46-12,612.98-4,246.40

Finding the Fourth Proportional to 8,403.46, 12,612.98 and 4,246.40

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Solution

The fourth proportional to 8,403.46, 12,612.98 and 4,246.40 is: 6,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.46 : 12,612.98 = 4,246.40 : x
  2. Step 2: Convert to fraction form
    8,403.46/12,612.98 = 4,246.40/x
  3. Step 3: Cross multiply
    8,403.46x = 12,612.98 × 4,246.40
  4. Step 4: Simplify right side
    8,403.46x = 53,559,758.27
  5. Step 5: Solve for x
    x = 53,559,758.27/8,403.46
  6. Step 6: Final answer
    x = 6,373.54

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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.