Home / 8,345.28-12,513.60-4,448.64

Finding the Fourth Proportional to 8,345.28, 12,513.60 and 4,448.64

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Solution

The fourth proportional to 8,345.28, 12,513.60 and 4,448.64 is: 6,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.28 : 12,513.60 = 4,448.64 : x
  2. Step 2: Convert to fraction form
    8,345.28/12,513.60 = 4,448.64/x
  3. Step 3: Cross multiply
    8,345.28x = 12,513.60 × 4,448.64
  4. Step 4: Simplify right side
    8,345.28x = 55,668,501.50
  5. Step 5: Solve for x
    x = 55,668,501.50/8,345.28
  6. Step 6: Final answer
    x = 6,670.66

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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.