Home / 8,364.42-12,547.98-2,818.26

Finding the Fourth Proportional to 8,364.42, 12,547.98 and 2,818.26

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Solution

The fourth proportional to 8,364.42, 12,547.98 and 2,818.26 is: 4,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.42 : 12,547.98 = 2,818.26 : x
  2. Step 2: Convert to fraction form
    8,364.42/12,547.98 = 2,818.26/x
  3. Step 3: Cross multiply
    8,364.42x = 12,547.98 × 2,818.26
  4. Step 4: Simplify right side
    8,364.42x = 35,363,470.11
  5. Step 5: Solve for x
    x = 35,363,470.11/8,364.42
  6. Step 6: Final answer
    x = 4,227.84

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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.