Home / 8,878.40-12,252.14-4,845.23

Finding the Fourth Proportional to 8,878.40, 12,252.14 and 4,845.23

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Solution

The fourth proportional to 8,878.40, 12,252.14 and 4,845.23 is: 6,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.40 : 12,252.14 = 4,845.23 : x
  2. Step 2: Convert to fraction form
    8,878.40/12,252.14 = 4,845.23/x
  3. Step 3: Cross multiply
    8,878.40x = 12,252.14 × 4,845.23
  4. Step 4: Simplify right side
    8,878.40x = 59,364,479.04
  5. Step 5: Solve for x
    x = 59,364,479.04/8,878.40
  6. Step 6: Final answer
    x = 6,686.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.