Home / 8,878.08-12,252.45-5,102.57

Finding the Fourth Proportional to 8,878.08, 12,252.45 and 5,102.57

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Solution

The fourth proportional to 8,878.08, 12,252.45 and 5,102.57 is: 7,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.08 : 12,252.45 = 5,102.57 : x
  2. Step 2: Convert to fraction form
    8,878.08/12,252.45 = 5,102.57/x
  3. Step 3: Cross multiply
    8,878.08x = 12,252.45 × 5,102.57
  4. Step 4: Simplify right side
    8,878.08x = 62,518,935.94
  5. Step 5: Solve for x
    x = 62,518,935.94/8,878.08
  6. Step 6: Final answer
    x = 7,041.94

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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.