Home / 8,547.42-12,818.61-3,616.95

Finding the Fourth Proportional to 8,547.42, 12,818.61 and 3,616.95

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Solution

The fourth proportional to 8,547.42, 12,818.61 and 3,616.95 is: 5,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.42 : 12,818.61 = 3,616.95 : x
  2. Step 2: Convert to fraction form
    8,547.42/12,818.61 = 3,616.95/x
  3. Step 3: Cross multiply
    8,547.42x = 12,818.61 × 3,616.95
  4. Step 4: Simplify right side
    8,547.42x = 46,364,271.44
  5. Step 5: Solve for x
    x = 46,364,271.44/8,547.42
  6. Step 6: Final answer
    x = 5,424.36

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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.