Home / 8,386.26-12,582.45-4,437.74

Finding the Fourth Proportional to 8,386.26, 12,582.45 and 4,437.74

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Solution

The fourth proportional to 8,386.26, 12,582.45 and 4,437.74 is: 6,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.26 : 12,582.45 = 4,437.74 : x
  2. Step 2: Convert to fraction form
    8,386.26/12,582.45 = 4,437.74/x
  3. Step 3: Cross multiply
    8,386.26x = 12,582.45 × 4,437.74
  4. Step 4: Simplify right side
    8,386.26x = 55,837,578.75
  5. Step 5: Solve for x
    x = 55,837,578.75/8,386.26
  6. Step 6: Final answer
    x = 6,658.22

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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.