Home / 8,243.42-12,353.58-4,547.39

Finding the Fourth Proportional to 8,243.42, 12,353.58 and 4,547.39

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Solution

The fourth proportional to 8,243.42, 12,353.58 and 4,547.39 is: 6,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.42 : 12,353.58 = 4,547.39 : x
  2. Step 2: Convert to fraction form
    8,243.42/12,353.58 = 4,547.39/x
  3. Step 3: Cross multiply
    8,243.42x = 12,353.58 × 4,547.39
  4. Step 4: Simplify right side
    8,243.42x = 56,176,484.39
  5. Step 5: Solve for x
    x = 56,176,484.39/8,243.42
  6. Step 6: Final answer
    x = 6,814.71

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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.