Home / 8,345.36-12,510.74-4,179.53

Finding the Fourth Proportional to 8,345.36, 12,510.74 and 4,179.53

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Solution

The fourth proportional to 8,345.36, 12,510.74 and 4,179.53 is: 6,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.36 : 12,510.74 = 4,179.53 : x
  2. Step 2: Convert to fraction form
    8,345.36/12,510.74 = 4,179.53/x
  3. Step 3: Cross multiply
    8,345.36x = 12,510.74 × 4,179.53
  4. Step 4: Simplify right side
    8,345.36x = 52,289,013.15
  5. Step 5: Solve for x
    x = 52,289,013.15/8,345.36
  6. Step 6: Final answer
    x = 6,265.64

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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.